【Build your Own Engine Model】It is equipped with a 3.9-liter twin-turbo V8 engine, which is widely praised for its outstanding performance and innovative technology. Equipped with twin turbochargers to increase air intake efficiency and power output. 8 cylinders, arranged in a V shape. 【Building Science Educational Toys】Equipped with an XL engine and a 9V battery box, its compact design allows for high power output in the limited engine compartment. The drive train works with precise piston movements. By moving the light gray gear lever, the speed can be adjusted and the chain tension can be regulated. 【Building Science Educational Toys】The toy set contains many building blocks, all components are sorted and carefully packed to prevent them from getting lost. Assembly instructions are included so you can start with each step. Compatible with most similar building blocks on the market, with strong scalability. The best home learning game for everyone. It will be a great parent-child time to play with the kids. 【Best Educational】This kit is a great gift for boys and girls for Valentine's Day/Birthday/Father's Day, especially for kids, teens, adults ages 8, 9, 10, 12, 14 and up. They are consistent, compatible, easy to connect and won't fall apart easily. It has all the desirable features of a at an affordable price and is a great gift for birthday/Children's Day/Christmas/Easter. 【Nice gift for Children】Every single one of our products is picked up by a machine, and the packaging is not confirmed until three tests have been done. If your kit is still missing parts, we will send you the missing parts.
