Ages 8+ Great addition to any STEM program! Learn all about electricity, current and voltage. Discover how lights, alarms, motors, switches and more work all while building fun projects. Play song and sounds while lights flash and a fan spins. Compatible with other building brick sets. Skills Basic science skills Fine motor skills Hand-eye coordination Creativity and imaginative play Problem-solving skills Independent or group play Contents Build 115 different projects. Contains 37 parts Requires 3 "AA" batteries Awards: Dr. Toy's Best Picks Winner Dr. Toy's Ten Best Toys Winner