Features 1Cultivate Kids' Ability: DIY building blocks include simple fastening screw assembly and simple wiring to complete the assembly. Cultivate children's ability to think independently and solve problems with their hands and brains. 2Climbing Vehicle: 4WD car model changing the rivet positions in the angle adjuster will change it's heightand climbs over obstacles up to 50 mm with easy. 3Solar Power: Since alternative energy plays such a key role now is the best time for children to learn the basic concepts behind cars and renewable energy. 4No Batteries Needed: Powered by the sun solar cars run in direct sunlight so they don't need batteries. Therefore it is more environmentally friendly and durable. 5DIY Learning Toys: The car moves in the direct sunlight and allows kids to create and use their infinite imagination. Your children can learn the knowledge by play and enjoy it. Specification Item Type: Car Toy Building Block SetMaterial: Plastic electronic components Weight: Approx. 340g/11.99ozColor: WhiteCar Battery: 1 x 1.5V AA battery (not included) Package List 1 xCar Toy Building Block Set1 x Instruction Note Due to different shooting lights and differences between monitors the pictures may not reflect the actual color of the real object. Please make sure you don't mind before ordering thank you!