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Trends UK Haynes Build Your Own V8 Engine

4.4 4.4 out of 5 stars 1,679 ratings
Amazon's Choice highlights highly rated, well-priced products available to ship immediately.
Amazon's Choice in Educational Science Kits by Haynes Engines

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Purchase options and add-ons

Brand Haynes Engines
Age Range (Description) Teen
Color Black
Theme Vehicle
Item Dimensions LxWxH 11 x 9 x 9 inches

About this item

  • Includes over 100 parts
  • Motorized model simulates real motor
  • Features ignition and engine sounds and light up spark plugs
  • For ages 14 and up
See more product details

Customer ratings by feature

Giftable
4.0 4.0
Easy to assemble
3.8 3.8
Value for money
3.7 3.7

Frequently bought together

$67.99
Get it Mar 22 - 26
In Stock
Ships from and sold by Fat Brain Toys.
+
$54.99
Get it as soon as Monday, Mar 25
In Stock
Sold by Prime Solution LLC and ships from Amazon Fulfillment.
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Trends UK Haynes Build Your Own V8 Engine
Trends UK Haynes Build Your Own V8 Engine
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Price$67.99$39.90$197.97-24% $144.15
Typical:$189.97
Delivery
Get it Mar 22 - 26
Get it as soon as Monday, Mar 25
Get it as soon as Monday, Mar 25
Get it Apr 9 - 29
Customer Ratings
Easy to assemble
3.8
3.6
5.0
4.0
Giftable
4.0
4.0
4.0
Value for money
3.7
3.9
Accuracy
4.2
5.0
Sold By
Fat Brain Toys
WOODEN CITY
Makerhaus, Ltd
Most-Models com
material
Plastic
Engineered Wood
Metal Plastic cardstock
Plastic
age range
Teen
Adult
Adult
Kid
style
STEM
Classic
weight
1 pounds
0.4 kilograms
7.2 pounds

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Technical Details

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Warranty & Support

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Product guides and documents

Product Description

Product Description

Haynes V8 Engine Model Kit

From the Manufacturer

An all-new working model of a duel overhead cam V8 Engine. Easily assembled with over 100 parts, includes a working electric motor, light up spark plugs, engine sounds and automatic shut off. Discover how an internal combustion engine works. Construct a fully working model with see through workings and chrome plated plastic trim pieces. Lots of details and an instruction manual with step-by-step diagrams and easy to assemble components. Requires 2 AA batteries (not Included).

WARNING:

CHOKING HAZARD -- Small parts. Not for children under 3 yrs.

Important information

Safety Information

Prop 65 Small parts warning

Customer reviews

4.4 out of 5 stars
4.4 out of 5
1,679 global ratings

Customers say

Customers say the kit is easy to assemble, with clear instructions. They also find the project fun and entertaining, and say it provides a fun way to learn the basics of internal combustion. However, some customers dislike the incompleteness of the kit. Opinions are mixed on quality, performance, and fit.

AI-generated from the text of customer reviews

228 customers mention159 positive69 negative

Customers are mixed about the quality of the art craft kit. Some mention it's a great model, easy to put together, and very instructive. However, others say that there were defective parts, the plastic was not perfect, and the 1 through 4 distributor was manufactured incorrectly.

"...It’s super cool and educational. Didn’t work on my iPhone X but worked perfectly on our iPad...." Read more

"This model is really cool, but be prepared for minor and possibly significant fit issues with a few pieces...." Read more

"...Back then, it was manufactured in the USA. This was an excellent model. But now, it's manufactured in China. Pure trash...." Read more

"...in case ... During assembly, I already realized that this was a defective part that it was hard to close my eyes to, since this is not only the..." Read more

138 customers mention102 positive36 negative

Customers find the instructions in the kit clear and entertaining. They also say the build went smoothly and the kit gave them a good overview of how engines work. Customers also say that the manual is more than acceptable and a great teaching tool.

"...Easy to assemble. Even it's for kids 12-16 (I am much older) I got enjoying to assemble it (its going be part of my project)..." Read more

"...It’s extremely detailed and teaches not just how an internal combustion engine works but about a lot of other principles of mechanical engineering..." Read more

"...The instructions are very detailed (in a good way). There were only one or two places where we scratched our heads...." Read more

"It wasn't that easy to assembly, but it wasn't that hard. I will say that it has a medium difficulty (14+ years old)...." Read more

78 customers mention78 positive0 negative

Customers find the art craft kit fun to build, watch, and listen to. They also say it provides a fun way to learn the basics of internal combustion. Customers also say the kit makes an interesting and handsome display, and is a nice challenge for a growing model builder. They mention the detail is fun and it is able to be reasonably accurate.

"...seller and ofcause recommend to buy this engine kit because it's really interesting and good designed product. Easy to assemble...." Read more

"...Summary: The educational value is through the roof and it was a ton of fun to build...." Read more

"...would love to give this 5 stars for coolness and detail, and a very nice challenge for a growing model builder...." Read more

"...Overall this kit was fun to build and a pretty good learning tool...." Read more

76 customers mention29 positive47 negative

Customers are mixed about the performance of the art craft kit. Some mention that it works great with these fixes, while others say that it does not run properly, making a pitched squealing noise. Some customers also mention that the timing belt will stretch and fail once the battery is hooked up. Overall, the opinions are mixed, and it's recommended to read the reviews carefully before making a purchase.

"...So I have a mad Grandpa and a very disappointed kid. There are hours wasted...." Read more

"...Didn’t work on my iPhone X but worked perfectly on our iPad...." Read more

"...is to show generally how a V-8 engine works but some of this is not done very well. For instance, each cylinder head has it's own distributor...." Read more

"...It makes an awful high pitched squealing noise and does not always work, sometimes turning too slow or not at all...." Read more

58 customers mention18 positive40 negative

Customers are mixed about the fit of the art craft kit. Some mention that the instructions are clear, and all parts fit well with one small exception. However, others say that the parts are loose, and don't fit together well.

"...a circle but, since each each half was slightly offset, it ending up being a bit too wide...." Read more

"...But I think the fit issues could really stump someone and absolutely require adult help. So go for it if willing to deal with fit issues." Read more

"...All the pieces fit perfectly. Just take your time and don't force the pieces together. The instruction manual was more than adequate...." Read more

"...Cons:-Most of the parts are stuck to more plastic (carriers frames), so when you cut away SOME parts, they come with excess plastic...." Read more

37 customers mention7 positive30 negative

Customers are dissatisfied with the completeness of the art craft kit. They mention that there are missing pieces, broken parts, and multiple pages missing from the manual.

"...So sad when they were almost done only to realize that a very important piece was not there." Read more

"...The problem is that the parts just are not quite good enough. In my model, I had to shave several pieces with a knife...." Read more

"...the above photo shows the block but the pistons are missing even though they have to be installed prior to this step...." Read more

"...First problem - piece 32 (plenum chamber bottom) was missing. However, they gave us two fans. Is anybody missing a fan?..." Read more

Fun, detailed, and educational (but not perfect)
5 Stars
Fun, detailed, and educational (but not perfect)
Overall, we loved this very well engineered model. We did run into a few problems though. First, the crankshaft was sloppily molded in one section where 2 of the piston connecting rods are supposed to attach (step 2). It’s supposed to be a circle but, since each each half was slightly offset, it ending up being a bit too wide. Also (and for the same reason), it had ridges that preventing smooth rotation of the connecting rod around the crankshaft (see photo). I was able to sand it down with a small file to get it to work. Second, there were 3 instances where screw holes had to be created or widened. If there was no hole, I very carefully started a hole (really just a mark in the plastic) with a small nail then used a small wood screw to widen it. I was worried that the plastic would fracture but it didn’t. I was very gentle. Third, the left distributor (for cylinders 5-8) was quite difficult to place onto the camshaft (step 26). The camshaft is not perfectly circular but deliberately has one side that’s flat as does the hole in the distributor. They were not easy to match but a lot of jiggling and persistence finally won the day. Fourth, during the timing step (step 27), the distributors have to be turned clockwise in order to illuminate the correct “spark plug” (LED light) but even when the right-handed distributor (for cylinders (1-4) was turned as far rightward as the screw slot allowed, it still didn’t light up the correct LED. It turns out that the screw slots had to be turned just a hair past the screw posts in order to light up the correct LED (#4) but that would mean the distributor couldn’t be screwed in place (it’ll make sense when you get to that step). To fix this, I widened the left side of the screw slot with a small file so it could turn just a wee bit more to the right. That was just enough to work. Another fix is to swap the right and left distributors (see the excellent review by Jerry Davis) but I didn’t want to remove them as I had trouble getting the left one on in the first place. Finally, it should be noted that newer version of the model has 2 additional plastic posts on the front of cylinder block on either side of the crankshaft (at about 4 and 8 o’clock) to help keep the timing belt from falling off. I only mention it because it was a little confusing that our cylinder block didn’t quite match the diagram in the manual.A few tips: I was worried that my smaller than average 8 year old daughter wouldn’t be able to screw in the pieces since several reviewers said it was difficult. However, she didn’t have too many problems in that regard. It comes with a a very small Phillips head screwdriver that worked fine. Ours didn’t come magnetized but that’s ok. Some people prefer it that way. We did, however, magnetize the screwdriver with a magnet which I think helped. We also used an accessory screwdriver with a wider handle (whenever we could) to make it easier to turn. We also purchased a cheap modelers tool kit (Rustark 10Pcs Model Tools Craft Set Modeler Building Kit) for about $10 that came in handy, especially the file, the small knife, and the side cutter (for cutting the pieces away from the plastic frame). Just be patient, read the directions very carefully, read some tips in the amazon reviews (Jerry Davis, A. Aurelius, etc) and be prepared to modify a few pieces. Summary: The educational value is through the roof and it was a ton of fun to build. I have almost no model building, automotive, or mechanical skills to speak of but we were still able to get it done in a few hours spread out over 3 days with the timing spot on. It’s extremely detailed and teaches not just how an internal combustion engine works but about a lot of other principles of mechanical engineering like cams, gears, pistons, bearings and other stuff I can’t think of because I don’t know jack about engineering. It also teaches patience, troubleshooting, and persistence. The kit says for ages 14+ but I would guess that an interested 11-12 year old should be able to do it with minimal help. One reviewer says that her 9 year old finished it unassisted but I find that surprising (so did she to be fair). I think most 9 year olds would need at least some help. But that’s part of the fun. I LOVED building it with my daughter (who has expressed an interest in engineering). Almost forgot to mention that this latest version comes with an AR (augmented reality) feature. It’s super cool and educational. Didn’t work on my iPhone X but worked perfectly on our iPad. I would highly recommend this model for kids, teens, and adults who are interested in learning how an internal combustion engine works. My daughter enthusiastically rated it 5 stars but I’m thinking 4.5 just because I had to modify some components to get it to work. Hope this helps and have fun!!
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Top reviews from the United States

Reviewed in the United States on January 24, 2022
Customer image
5.0 out of 5 stars got product with defect (but seller fixed it very fast)
Reviewed in the United States on January 24, 2022
when I just started unpacking, I noticed on one part a muddy badly thrown out corner, and on the second same part, I noticed a mismatch compared to the analog. But due to the fact that in the place where the was missed part of this detail, it looked like a clean, smooth edge, as if it was intended that way. The thought was maybe it was necessary to take a room for the location of another part, and so on. but I had not yet seen all the nuances of this defect on that moment. Of course, I took all the photos during unpacking, just in case ... During assembly, I already realized that this was a defective part that it was hard to close my eyes to, since this is not only the absence of some kind of plastic walls. What melted this part with something (or simply did not finish it) and melted not only the outer and inner horizontal wall, it also melted half of the mount rod into which suppose to be screwed bolt and keep together thus detail with the upper detail. This defect also melted (its doesn'texist ) bottom mount support whith should hold the camshaft axis. Well, as I understand it, the manufacturer doesnot have quality control at all. I would not want return it, since I’ve already assembled of half of it, but I’ll probably have to, because this is a significant drawback. If the seller provides me with this part, then I will keep it and let you know (will update here) whether a quick replacement of the part is possible so as not to make a return...

update:
as promised
So, seller very good 👍 lightning fast responded and without any questions asked for my address for confirmation. And then with lighting fast speed sent me replacement to me and even I do not need send my existing kit back to them (I will get it during 2 days). So, I recommended buy from this seller and ofcause recommend to buy this engine kit because it's really interesting and good designed product. Easy to assemble. Even it's for kids 12-16 (I am much older) I got enjoying to assemble it (its going be part of my project)
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Customer image Customer image Customer image Customer image Customer image Customer image
Customer imageCustomer imageCustomer imageCustomer imageCustomer imageCustomer image
Reviewed in the United States on February 12, 2021
Customer image
5.0 out of 5 stars Fun, detailed, and educational (but not perfect)
Reviewed in the United States on February 12, 2021
Overall, we loved this very well engineered model. We did run into a few problems though. First, the crankshaft was sloppily molded in one section where 2 of the piston connecting rods are supposed to attach (step 2). It’s supposed to be a circle but, since each each half was slightly offset, it ending up being a bit too wide. Also (and for the same reason), it had ridges that preventing smooth rotation of the connecting rod around the crankshaft (see photo). I was able to sand it down with a small file to get it to work. Second, there were 3 instances where screw holes had to be created or widened. If there was no hole, I very carefully started a hole (really just a mark in the plastic) with a small nail then used a small wood screw to widen it. I was worried that the plastic would fracture but it didn’t. I was very gentle. Third, the left distributor (for cylinders 5-8) was quite difficult to place onto the camshaft (step 26). The camshaft is not perfectly circular but deliberately has one side that’s flat as does the hole in the distributor. They were not easy to match but a lot of jiggling and persistence finally won the day. Fourth, during the timing step (step 27), the distributors have to be turned clockwise in order to illuminate the correct “spark plug” (LED light) but even when the right-handed distributor (for cylinders (1-4) was turned as far rightward as the screw slot allowed, it still didn’t light up the correct LED. It turns out that the screw slots had to be turned just a hair past the screw posts in order to light up the correct LED (#4) but that would mean the distributor couldn’t be screwed in place (it’ll make sense when you get to that step). To fix this, I widened the left side of the screw slot with a small file so it could turn just a wee bit more to the right. That was just enough to work. Another fix is to swap the right and left distributors (see the excellent review by Jerry Davis) but I didn’t want to remove them as I had trouble getting the left one on in the first place. Finally, it should be noted that newer version of the model has 2 additional plastic posts on the front of cylinder block on either side of the crankshaft (at about 4 and 8 o’clock) to help keep the timing belt from falling off. I only mention it because it was a little confusing that our cylinder block didn’t quite match the diagram in the manual.
A few tips: I was worried that my smaller than average 8 year old daughter wouldn’t be able to screw in the pieces since several reviewers said it was difficult. However, she didn’t have too many problems in that regard. It comes with a a very small Phillips head screwdriver that worked fine. Ours didn’t come magnetized but that’s ok. Some people prefer it that way. We did, however, magnetize the screwdriver with a magnet which I think helped. We also used an accessory screwdriver with a wider handle (whenever we could) to make it easier to turn. We also purchased a cheap modelers tool kit (Rustark 10Pcs Model Tools Craft Set Modeler Building Kit) for about $10 that came in handy, especially the file, the small knife, and the side cutter (for cutting the pieces away from the plastic frame). Just be patient, read the directions very carefully, read some tips in the amazon reviews (Jerry Davis, A. Aurelius, etc) and be prepared to modify a few pieces. Summary: The educational value is through the roof and it was a ton of fun to build. I have almost no model building, automotive, or mechanical skills to speak of but we were still able to get it done in a few hours spread out over 3 days with the timing spot on. It’s extremely detailed and teaches not just how an internal combustion engine works but about a lot of other principles of mechanical engineering like cams, gears, pistons, bearings and other stuff I can’t think of because I don’t know jack about engineering. It also teaches patience, troubleshooting, and persistence. The kit says for ages 14+ but I would guess that an interested 11-12 year old should be able to do it with minimal help. One reviewer says that her 9 year old finished it unassisted but I find that surprising (so did she to be fair). I think most 9 year olds would need at least some help. But that’s part of the fun. I LOVED building it with my daughter (who has expressed an interest in engineering). Almost forgot to mention that this latest version comes with an AR (augmented reality) feature. It’s super cool and educational. Didn’t work on my iPhone X but worked perfectly on our iPad. I would highly recommend this model for kids, teens, and adults who are interested in learning how an internal combustion engine works. My daughter enthusiastically rated it 5 stars but I’m thinking 4.5 just because I had to modify some components to get it to work. Hope this helps and have fun!!
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11 people found this helpful
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Reviewed in the United States on January 7, 2018
28 people found this helpful
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Top reviews from other countries

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derek
1.0 out of 5 stars Biggest rip off on Amazon
Reviewed in Canada on February 5, 2021
3 people found this helpful
Report
j.e.
4.0 out of 5 stars Fun to make, pretty good quality
Reviewed in Canada on February 6, 2021
One person found this helpful
Report
Percy
2.0 out of 5 stars Waste of money
Reviewed in Canada on March 1, 2021
Luis Carlos Valencia
2.0 out of 5 stars Pas complète manque pièce ???
Reviewed in Canada on March 8, 2021
Customer image
Luis Carlos Valencia
2.0 out of 5 stars Pas complète manque pièce ???
Reviewed in Canada on March 8, 2021
Manque un pièce, regarder la photo.
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pi
5.0 out of 5 stars Great shipping speed
Reviewed in Canada on October 31, 2018