6 years & up. Looking for an easy and fun kid's science kit? Steve Spangler's Energy Stick is a hands-on kit for kids to learn about conductors of electricity. The Energy Stick will amaze your young scientists as they experiment with open and closed circuits, safely using their own bodies as conductors of electricity. Children simply place one hand on each end to complete the circuit, sparking the emittance of sound and fun flashing lights. Includes 1 Energy Stick and Activity Guide. Measures 7.5"