Robotic Toys descriptions： We use high-quality raw materials, all materials are very suitable for the product, please rest assured to buy. 6 In 1 Car Solar Robots Educational Kit, Diy Energy Fan. Features: Can Be Made to 6 Different Models: Solar Revolving Plane, Solar Windmill, Solar Plane, Solar Airboat, Solar Puppy, Solar Car Perfect Toy for Enlightenment Education of Science, Stimulating Their Interest in Science   Made with Quality Material, Lightweight and Portable. Power by Solar Energy, No Battery Required,when Exposed to Sunlight, Can Star Its Mini-engine by Shaking Itself Learn How Solar Energy Can Be Used to Generate Electricity. Easy to Assemble by Following Instructions Step by Step.   Four Models of Solar Electric Robot is a Very Good Toy, a Style Can Be Assembled into 4 Different Shapes, Pretty Interesting, is to Exercise the Children Exercise Ability and Mental Development Specifications: Material: Plastic Control: Automatic Power Supply Mode: Solar Panel DC Power Supply Function: Exercise Hands-on Ability, Scientific Experiment Props. Size:  as Picture Package Includes: 1 X Robot Kits 1 X User Manual . Products number : SOMONO163925