V8 Combustion Engine Model Building Kit STEM Toy.    Features: -LET YOUR CHILDREN GET HANDS ON with the Playz Kids DIY Toy V8 Combustion Engine Model Kit THAT WORKS This mini Imitations 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.  -INCLUDES EVERYTHING NEEDED TO BUILD: Your child will have a great time building 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   -REALISTIC MODEL THAT WORKS: 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 with real engine sounds.  -DEVELOP THEIR CRITICAL THINKING SKILLS: Playz Kids DIY Toy V8 Combustion Engine Model Kit will encourage young boys and girls to expand their creativity, think logically, and even refine their motor skills all at once   -MAKE THE WORLD OF STEM AMAZING for your children with this intuitive and engaging kit It makes science, mechanical engineering, and even technology exciting from start to finish (Requires 3x AA Batteries not included)  -Fun to Play: A total of 270pcs accessories (including screws), is a V8 engine that needs to be assembled by yourself. It is almost the same as a real V8 engine, giving you a real assembly experience. When the switch is pressed, the motor drives the cylinder piston cam drive shaft to rotate; the eight cylinder pistons make the stroke to drive the fan to rotate, and the timing belt drives the bearing of the intake valve to rotate, so that the intake valve opens and closes. The internal LED light will illuminate during operation, and the analog sound of the engine will be emitted from the speaker, which will be turned off after about 30 seconds.    Specifications: Item name: Engine Model Building Kit;  Color: As Shown;  Material: Metal + Plastic;  Product Weight: 1800g;  Dimensions: 50.4 x 35.5 x 10cm;  Packing: Box;  Suitable for children over 14 years old;    Package Included: 1 x Engine Model Building Kit