DiscoveryEngine Kit! This mini replica of a classic four cycle internal combustion gasoline car engine teaches young minds all about the wonderful world of mechanical engineering in one immersive set. It's the perfect holiday or Christmas gift for any child!All the tools they need to succeed: Your child will have a great time constructing this comprehensive model engine toy! Tinker with the cranks, pulleys, belts, and exhaust valves to make this little gadget come to life right in front of their eyes!Rev it up: Deliver the action of a classic car engine thanks to the powerful pistons and interactive cables! Simply plug the cables to the battery pack distributor and watch the engine fans turn around!Develop their critical thinking skills: This set will encourage young boys and girls to expand their creativity, think logically, and even refine their motor skills all at once!Make the world