●??【 5 Set STEM Robotics Kit 】: These STEM projects include an obstacle avoidance robot, a solar powered car, a tank, a wind powered car and a glider. NOT INCLUDED: AA BATTERIES. ●??【 Build Your Own Robot 】: This invention kit is suitable for elementary school students to show their talents in a science fair. It can help small inventors explore and learn to solve physical problems by themselves. Fun science activity for kids! ●??【 Boy Birthday Gift Idea 】: Packaged in a beautiful gift box, these electronic STEM toys are best gifts for boys age 6-12. ●??【 Craft Kits for Boys 】: About 30 minutes of assembly, you will get a cute craft car or robot. ●??【 Easy to assemble 】: All components of the STEM kit are made with safety materials. Mini screwdriver and step-by-step instructions make it easy to assemble the model. ●? stem kits for kids age 6-8 ●?? stem toys for 7 year old boys