Featuring 22 to 66 components and 48+ to 1200+ possible projects, kids can explore how lights glow, fans spin, rockets launch, and air levitation experiments work through hands-on circuit building. 【Educational STEM Circuit Kit for Kids】 Introduce children to the basics of electronics through hands-on play with this engaging circuit exploration kit. It is a fun and practical way to explore current, voltage, switches, sensors, and other fundamental science concepts through real building activities.