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OWI Inc

Robotics Vroom! Stem V8 Model Combustion Engine, DIY Educational STEM Birthday Kits Ages 12 and Up

    • Based on 68 reviews
Condition: New
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Availability: 20 left in stock
Fulfilled by Amazon
Arrives Sunday, May 26
Order within 14 hours and 44 minutes
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Features

  • Includes over 270 pieces
  • REPLICA OF A REAL ENGINE - Learn everything you need to know about the heart of a vehicle and how it provides the power for a car to run. Turning your engine on, you will see and hear how a real V8 operates. Instructional manual included. Requires 3 AA batteries (not included).
  • Enhances divergent thinking, manual dexterity, and gratifying sense of accomplishment
  • The cooling fan spins, pistons fire up and down, light bulbs flick on and off in perfect sequence
  • There is no need to worry about pricy gasoline to enjoy the show

Size: 0.5 Liters


Brand: OWI Inc


Theme: Car,Vehicle


Age Range (Description): Kid


Item Dimensions LxWxH: 7.48 x 7.28 x 11.02 inches


Product Dimensions: 7.48 x 7.28 x 11.02 inches


Item Weight: 3.97 pounds


Item model number: OWI-39102


Manufacturer recommended age: 5 - 17 years


Release date: January 1, 2019


Manufacturer: OWI Inc


Frequently asked questions

If you place your order now, the estimated arrival date for this product is: Sunday, May 26

Yes, absolutely! You may return this product for a full refund within 30 days of receiving it.

To initiate a return, please visit our Returns Center.

View our full returns policy here.

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  • Apple Pay Later
Leasing options through Acima may also be available during checkout.

Learn more about financing & leasing here.

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Top Amazon Reviews

    • on time shipping
very satified
Reviewed in the United States on January 1, 2024 by Leonard Pearl
    • Nice Kit, Excellent Support
Received as a gift. Had distorted part that was replaced very quickly. Only comment is that warranty registration must be done by snail mail.
Reviewed in the United States on December 11, 2022 by GFenster
    • Fun kit to build
My son liked building this kit a lot. The engine noises were a nice addition.
Reviewed in the United States on April 10, 2022 by William Conwell
    • My son loved this!
This is so awesome! I do recommend this!
Reviewed in the United States on February 7, 2022 by Matt Gonzales
    • Can Not Recommend. Very Disappointed So Far.
This was given to my son as a gift. It is made from incredibly cheap plastic and soft screws which need to be self-tapped into hard cheap plastic. If your supplied screwdriver (more on that later) skips even once in the philips head screw, that screw is ruined. If that happens there is no point in continuing until you carefully remove the damaged screw and discard it. (Assuming it's not too damaged to remove.) The supplied screwdriver had a handle that is too small to get a good purchase on to properly tighten the screw. You will have a sore hand in short order. I used a quality professional "precision screwdriver" of the proper size. This made things far easier. Now to the really disappointing part. The timing belt and fan belt in my kit are made of really cheap plastic. They are not supple enough to rotate with their respective fan/timing gears. So much so, the timing belt broke. As this was a gift, we have no receipt so when can not use the included warranty parts order form. It appears it would cost a minimum of $13 for a replacement timing belt (probably a 20 cent piece of plastic). I would probably like to order two belts incase once broke again. In that case the cost would be $20, and that doesn't include tax. My son is very disappointed. Not sure what to do at this point. ... show more
Reviewed in the United States on January 16, 2021 by Travis K.
    • Great idea, too bad the timing can never be right!
This has so much potential to be a great learning tool. But once it's time to set the timing (crank to camshafts) you find you're on an impossible mission. I spent about an hour trying to get it right, but valves kept hitting the pistons. I took it back apart, triple verified we assembled the cam profiles correctly and positioned them in the heads correctly, and we had. Long story short, it's impossible to set correctly due to the poor design. If you set the timing and rotate the crank 2 times, the timing is off, never to be "right" again, which was never right in the first place. No big deal, I suppose, if you're 10 years old and don't know better. But I'm a mechanic putting this together with my 6 year old son. It's frustrating, I tell ya. Because you CAN'T fix it! But, all together it runs, and the little electric motor has enough torque to force past the piston/valve contact. Bummer ... show more
Reviewed in the United States on February 15, 2021 by DontDoIt
    • Not rue to life!
This was supposed to teach my son how an internal combustion engine works. Many of the elements were there, but many were not. For instance, there is no system for delivering fuel to the pistons. No fuel injectors, and no carburator. There was also no system for removing the exhaust! What looked like it might be the exhaust manifold in the picture actually contained the spark plug wires (one would never put sparkplug wires inside a hot exaust manifold). The model left many questioned unanswered, and therefore did a poor job as a model! In addition, there were no roller bearings, no head-gaskets, and the distributor was not visible for inspection. My son and I enjoyed putting it together, but I would not recommend this model engine for educational purposes. This should NOT be called a STEM project! ... show more
Reviewed in the United States on August 27, 2021 by FJKdaSilva
    • Pistons hit
Be prepared if you’re a mechanic gifting this to your son. It caused a fight on Christmas morning due to frustrations in assembly. I had to come read these reviews to calm the frustrations. My husband was never going to get the timing right or get the pistons to keep hitting and he could not get past that. Now that we know that’s normal for the toy they can carry on and keep building. ... show more
Reviewed in the United States on December 25, 2021 by Craig and Jess

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