Kidwill 13-in-1 Educational Solar Robot Kit for Kids Green Technology, low carbon living life, let happiness goes together with the environment-friendly, creates your children a green future while enjoying and creating great fun! Product Highlights: 13 different types of robots DIY for creation for aged 10+ Environment-friendly powered by solar Develop your child\'s patience Inspire your child\'s imagination Science experiment kits, learn simple principles Product Features: Unique accessories that can make the robot move on land or water. Adjustable polarity on the solar panel to change direction of motor rotation. Retractable robot head which can be quickly stored in the upper body. The robot head can be installed in the front, top or rear of the gearbox. Transparent housing to see the movements of the gears. Product Information: For age: 10+ Material: Quanlity ABS material+Electronic parts Powered by: solar power Game mode: DIY self-assembly Ability development: visual, manual brain, grasp, interest training, senses, emotions, hearing, other ability development, hand-eye coordination, parent-child communication, interactive toys. Package includes: 1* 13-in-1 Educational Solar Robot Kit 1* Assembly Instruction.