【Solar Power Generation】Outdoor play is recommended. No batteries are required. The solar panel on the robot converts solar energy into electrical energy to move the cute robot. Since it doesn't use batteries, it's an eco-friendly and environmentally conscious craft kit toy. Programming Toy 13-in-1 Solar Robot Kit Toy for Boys Ages 8 9 10 11 12 STEM Project Assembly Science Toy Set Solar Powered Robotics Kit Gift Robot Educational Birthday Christmas Present Boys Girls 8 Years Old ~ 12 Years Old ♥️ Midnight, Silent, Immediate Purchase OK ♥️ #achashop☆ Click here for a list of products ☜ ⋆┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈⋆ ・Unused items may be opened for photos and inspection. ・Please understand that items are stored at home and shipped in simple packaging. (*ˊᗜˋ) ・Please check the actual photos for the condition of the product. To offer the lowest possible price, we may ship the item without the box due to shipping costs. 49-16 38 ⋆┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈⋆