Feature: 1. 1. [3 in 1 solar space robot] Using this solar space toy, children can build 3 different working models. Let your children learn how to convert solar energy into mechanical energy in a fun way! 2. 2. [Powered by solar or battery] The innovative space science kit not only contains solar panels that convert sunlight or halogen lamps into electricity but also contains miniature rechargeable battery toys for operation. Children can play outdoors on sunny days and indoors on cloudy days! 3. 3. [Child-friendly material] It is made of high-quality, sturdy, and child-friendly ABS plastic, which will never endanger children's health. Choose a safe toy for them, and at the same time improve the child's hand-brain coordination and spatial perception! 4. 4. [Inspire imagination] By making this real work toy, I am interested in engineering, model building, space exploration and renewable energy. This is a perfect educational science toy that can stimulate imagination and creativity. There are step-by-step instructions, suitable for smart kids over 10 years old. 5. 5. [Best gift] Valuable educational science toolkit, with stable structure and strong splicing. Make it a great gift for birthdays, Christmas holidays, summer camps, and back to school. Will be loved by children. Specification: Color box: 34*20*6.5cmWeight: 450g Package List: 1 Set of DIY Assembly Toys Note: Due to the lighting effects and shooting angles, there is a color difference in the product, please understand.Due to manual measurement, there is a tolerance in the product size.