Product color box 28 * 20 * 6.5 Weight 0.3KG 7-in-1 Solar Robot KitThe solar science kit can build 7 different types of robots. Help kids develop manual dexterity, self-confidence problem solving skills and promotes the importance of teamwork. Powered by the Sun This stem toys is powered by the sun and no batteries required, the robot kit includes a solar power panel that collects solar heat energy into an electric energy drive motor, which drives the gears to make the machine run smoothly. DIY for Creation RobotsKids STEM toys-robots provide with step by step instruction book, stickers and all the pieces that make the robot. Its include guide for 7 robot designs in details from level 1 to level 2, easy to build as guide step by step. It's fit for aged 6-15 boys and girls, great robot toys encourage child to learn through play. Gifts for 6-15 Year Old KidsBest gifts for 8-15 year old boys or girls. Our solar robots toys are made of harmless and non-toxic ABS material, which are more sturdy and durable. Its a ideal educational gift for you kids who love build robots. Package included 1set