11-in-1 STEM Solar Robot Kit: This solar robot kit with a wide assortment of different moving and connecting parts like gears, plates, tires, and shafts, you can use the included blueprints to build 11 different styles of Projects, They come in all shapes and sizes. Unique transmission system and hydraulic system, can let children learn more. The parts can be easily disassembled after completion of each robot kit. 2-in-1 Drive Motor:The solar robot kit includes a solar power panel and battery engine compartment. The solar power panel collects solar heat energy into an electric energy drive motor, which drives the gears to make the machine run smoothly. Offers your child practical experiences of working with green technology, let them learn about renewable energy sources. When it is dark or rainy, you can use the battery engine compartment to start the drive. Perfect product:Solar robot kit all pieces are sturdy and durable, which are made of premium quality harmless and non-toxic ABS plastic, sturdy and durable, parts are smooth without raw edge. All pieces are produced by precise molds to ensure minimum error. The pieces that are easy to be confused are made in different colors, which not only ensures the beauty of the Project but also reduces the difficulty of assembly bringing you the best experience. Fun Education Toy:Enrich your child’s mind with the interactive challenges of building their own Project!. This solar robot kit can encourage learning of mechanics and engineering in young children,enhance your children's Science, Technology, Engineering, and Math skills, it also can help to develop manual dexterity,problem solving skills, inspire kid's imagination and creativity, improve logical thinking,self-confidence and promotes the importance of teamwork and collaboration. Ideal Gift for Child: Create your own robot, your little engineer can use their imagination to make his own original robot which are facilitate early childhood progress and brain development, great gifts for boys and girls age 8 9 10 11 12 and up.