This is a DIY solar car kit made from sturdy materials, safe to use and simple to assemble, designed to help students develop hands-on skills. It serves as a practical eonal science project that encourages the development of scientific thinking. Features: - Color: Multi-color - Material: Metal, plastic - Size: 11.50 x 6.50 x 5.50 cm / 4.52 x 2.55 x 2.16 in - Durable construction helps resist deformation under normal use - Easy to assemble, promoting engagement and动手 ability in students - Safe for children during assembly and play - Features a DIY design with a simple, smooth, and attractive appearance - Well-crafted design ensures a satisfying building experience Package List: 1 x Bottom board 1 x Bracket 1 x Electric motor 1 x Solar panel 4 x Wheels 2 x Axles 1 x Motor cover 1 x Rubber band 1 x Pulley (size S) 1 x Pulley (size L)