⚙️2021 Latest Upgrade 12-in-1 STEM Robot⚙️: 12 different building robots can play in any place, like the robot running under the sun and swimming in the water, which can let 8-12 years olds learn about robot construction and various basic physics while playing and develop children's hands-on and imagination skills. | ⚙️Upgrade 2 in Solar & Battery Power⚙️: Compared with other STEM building robots, our 12-in-1 solar robots can be solar-powered and battery-powered. Our solar robot toy sets are equipped with solar panels for the toy to drive, but also the option to install battery slots to battery-powered robots. Not limited to the weather, you can also play anywhere, anytime.（Not include battery） | ⚙️STEM Projects for Kids Ages 8-12⚙️： This scientific solar building robot toy helps children learn about the simple rules of robotics and mechanical operation. Involves simple science, technology, engineering, and math skills, while also exercising children's hands-on and problem-solving skills, improving logical thinking and self-confidence, and also developing children's teamwork skills. | ⚙️Clear Operating Instructions⚙️: 190 parts is not an easy project. So we are equipped with a clear robot building guide to assist children with the installation, which is difficult enough for 8-12-year-olds. Children need more imagination and thinking to put the robot together, and the kids will be excited for their results when the robot is running in the sun. | ⚙️Ideal Birthday Gifts⚙️: All parts are made of high-quality ABS plastic, sturdy and durable. I think it will be the best birthday and Christmas gift. You can imagine the boy's joy of getting a solar robot toy and the seriousness of getting into the STEM building game, let us prepare a surprise for your child.