See my blog post about this video:   / how-does-pull-24042503  

The Pull-Back Toy Car is an incredible piece of engineering! This is sometimes called a "Wind-Up" toy car. This videos covers the specifics of the mechanism: the motor chassis, the 5 gears, and the torsion spring. We'll talk briefly about gear ratios, gear trains, and also cover why you hear that mysterious clicking noise when it winds up enough.

Amazon has some excellent Pull-Back Toy Cars: https://amzn.to/2t6FZwQ

Special thanks to my $5+ patrons:
Axel Nieves
Bryan King
Jason Wellband
Jim Postier
Karen King
Omar Sagga
Roland Ochoa
Todd Eichel

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The toy cars in this video were downloaded from Blend Swap and I had some help for the others.

Sources:
http://www.exo.net/~donr/activities/P...
https://www.explainthatstuff.com/how-...
https://patents.google.com/patent/US4...
https://science.howstuffworks.com/tra...

Music:
Wild Pogo by Francis Preve

Made with Blender 2.79b (Cycles Render)
(I'm not brave enough to try the 2.80 beta yet!)

Here is some of the gear that I use for animation:
Graphics Card: GTX 1080ti https://amzn.to/2t70HN0
CPU: i7-8700k https://amzn.to/2WEk9OE
Motherboard: Asus Prim Z370-A https://amzn.to/2t4EVth
Microphone: Samson Go Mic https://amzn.to/2GaSpvV

#hotwheels #toys #b3d