To activate your Jumbo Size Light Up Star Crystal Wand, remove pull tab & press button on handle. Push repeatedly to choose from 3 fun light modes – all flash & blink at various speeds. LED Colors: 4 Red, 4 White, 4 Green Dimensions (L x W): 21″ x 5.5″ (at widest point of star) Comes ready to use with 3 replaceable AAA Batteries.