Product Description This electric learning kit is a fun educational gift for children and teenagers who like STEM and science projects, which can well develop children's learning skills and hands-on ability. The hydropower station assembly kit can stimulate children's curiosity and creativity, and is a good way to learn simple principles. feature Color: As shown in the picture. Material: wood + plastic. Size: 15*10cm Batteries: 2 AA batteries (not included). Made of high-quality materials, it can train children's observation, thinking and analysis skills. For children and teenagers who love STEM and science projects, this is a fun educational gift that works well to develop children's learning skills and hands-on abilities. The hydropower station assembly kit can stimulate children's curiosity and creativity, and is a good way to learn simple principles. Properly educating some water and electricity knowledge is a good interactive time with children. Nice educational toy, you can have one and let your kids have fun with it.