To activate the LEDs in your Motion Activated Color Changing LED Foam Cheer Stick, remove pull tab, press button and shake it, wave it, move it around! LEDs are sensitive to movement and put on a light show as you wave it in the air. Lights have one cool function: multicolor flash. LED Colors: Blue, Red & Green Length: 16″ Comes ready to use with 2 replaceable AG13 Batteries.