To activate your LED Light Toy, press the button on the handle. With each push of the button, change the LEDs to 1 of 3 light options: fast flash, slower blink, then an automatic rotation between each. Note: The Crystal Balls on the sides of the wand are two different sizes. Wand Dimensions:Length: 13.5 in.- Width: 2.0 in. Crystal Ball Dimensions:Large Diameter: 2.5 in.- Small Diameter: 2.0 in. LED Colors: Blue, Jade and Red Batteries: Includes 3 replaceable AAA batteries. Weight: 0.84 LB