Assorted LED Nerd Glasses come in assorted colors - 2 pieces of each color in every box of 12.   To activate your Nerd Glasses, remove the pull tab & press the button on battery house located behind ear. Choose from 3 light functions: flash, blink & steady.  Dimensions (WxL): 6 in. x 6 in. with sunglass arms open.  Color Assortment: Blue, Red, Green, Pink, Red/White/Blue & Multicolor.  NOTE: Cannot pick & choose which color you get if ordering small quanitity.  Nerd Glasses come ready to use with 3 replaceable AG13 Batteries.