To activate the 6 light functions of Light Up Easter Eggs simply press the flat button on the bottom of the egg Press once for a fast strobe light of all the LEDs again for a slow transition through the colors again for a still light of all LEDs makes for a soft lavendar glow or press again to set it on a medium paced flashing Red Jade or Blue function Squeeze the sides of the egg until the battery pack on the bottom can easily be lifted out Use a small screw driver to remove the screws and remove the batteries The plastic is a stiff high quality plastic that may make it difficult to remove the battery pack Specifications . Height 2 5 in . Width 2 in . LED Colors Rainbow. Batteries Includes 3 replaceable AG3 Batteries