*Brand new, unused, in box* Features & details: ✔✔【13 in 1 Solar Robot Building Kit】: Comes with all of the parts you need to build real working robots from the ground up! A variety of different motion and connection parts, such as gears, plates, tires and shafts, etc., you can refer to the attached Instructions to build 13 different styles of robots! ✔✔【DIY Robot Kit】: KIDCHEER robot construction complexity is divided into two levels, entry level and senior level. 13 different construction robots can move on land or water for your children to build. Children can experience the happiness and achievements of conquest in the process of assembling STEM toys, which will help to improve the children's practical ability, creative thinking ability and intellectual development. ✔✔【Solar Power Supply】: Robots no longer need batteries to provide energy. The robot kit includes a solar panel that collects solar heat into the electric power drive motor to make the robot run smoothly. Let the children understand the role of solar energy, understand green energy and environmental protection concepts and have fun with it. ✔✔【STEM Toys】: It can enhance kids scientific knowledge and enthusiasm for learning science and technology when they use solar energy to design robots. KIDCHEER STEM toy can also let your little boy or girl understand engineering, robotics and mechanics, enhance logic skills and critical thinking, and bring countless happy hours to your little engineer! ✔✔【Educational Toys for 8+】: Children experience the fun of DIY together with family or friends, which is conducive to their hands and brain development. Work through critical thinking and creativity to solve problems, improve logical thinking skills, self-confidence and teamwork skills. Ideal educational toy for 8+ kids.