Features: Robots: 8.7 * 6.3 * 10.2 (CM) Scorpion: 13.5 * 10.2 * 10.2 (CM) Tanks: 7.5 * 9.5 * 5.7 (CM) Educational DIY solar kit, new energy source, good environment protection, handsome appearance and vivid. - It can change into the scorpion, robot and tanks. And inspire your infinite ideas. - This kit enlightens your kids in the utilization of the available energy and to learn about the environment benefits of renewable energy. Allowing young builders to focus on self-motivation, Perseverance and manipulation. - When play under direct sunlight, the robot will be on the best state of running. If you want to play in door, you should use a 100 watt halogen light. Keep small parts out of the reach of children under 3 years old. Read the manual before setting. - Includes a solar panel, stickers, 2 sheets of plastic parts and mechanisms.