1、The model toy is able to properly cultivate children's hobbies and keep them away from bad habits 2、Not only small toys, the fun function can make children happy 3、Great educational toys, can develop children's hands-on talents 4、Made of high quality ABS plastic material, durable and long service life 5、Children can improve their hands-on ability through assembly and disassembly, 1 x Long Strip6 x Pulley2 x Short Strip1 x Remote Control1 x Motor3 x Shaft1 x Long Plate1 x Belt2 x Fixing Plate1 x Stand1 x Orange Wheel1 x Red Wheel2 x Square Post2 x Socket1 x Track Item Type: Assembled Educational Model ToyMaterial: ABS plasticPower: 2 x AA(not included)Science and Education Toy Type: PhysicsCapacity Building: Hands-On Ability, Brain AbilityApplicable Age: Adolescence (7-14 years old)