مجموعة محرك نموذج صناعة يدوية من مايندبلون - هيكل تجميع احتراق داخلي ميكانيكي أربع دورات، يأتي مع صمامات وأسطوانات وأدوات وأكثر من ذلك بكثير

Interconnecting hardware/components allow DIY construction
Kit shows off basic features of a four cycle internal combustion gasoline engine
Made w/ durable plastic
This intuitive, engaging gadget allows children to play around with the valves, cylinders, cranks, and pistons all in one kit. It also delivers powerful action using the provided cables and battery pack distributor for nonstop fun!
Battery operated (batteries not included)