There isn't anything better idea than surprising your guests with our Liquid Activated Shot Shooter Multicolored Flashing Glass for Parties. Pour it with your favorite beverage and it will immediately light up in multiple colors! WOW Magic! This amazing liquid activated shot shooter are so much fun, even non-shooter guests want to get in on the action. This makes your drinking more fun than it ever should be! To activate your Liquid Activated Shot Shooter Multicolored Flashing Glass for Parties, simply fill the glass with liquid. There are 2 sensors at the bottom of the glass that will activate. Glasses will turn off once empty and dry.Dimension (H x W): 2.94" x 1.48"Volume: 1.6 ounceComes with ready to use and non-replaceable yet long lasting batteries.