Space robot 7

This is a robot kit that turns electricity generated by sunlight into a mini rechargeable battery. When moving indoors or at night, it can also be charged by batteries. It can also be easily reassembled and converted into 7 types of robots and vehicles that are useful in space such as astronaut and space shuttles. Can be charged under bright sunlight or incandescent 60W or above. It cannot be charged with an indoor light (such as fluorescent light). The tools you need are nipper, scissors. (From Amazon.co.jp)

• Although this product is called a battery, the double layer electric capacitor (mini rechargeable battery) is not correctly a battery, it is an electronic component that can be used to transfer and store electronics. No chemical reactions are used, making it safer and cleaner than batteries