glo liquid activated drink cubes

Glo is a lighted drink enhancer that illuminates the container and cycles through a range of colors once it's dropped in liquid.  

Pack of 4 cubes 

• safe, non toxic, designed in the USA, BPA, Hg, and phthalates free.
• automatically lights up when placed in any beverage and color cycles through 9 different colors.
• dynamically cycles from one color to another, NO jarring or annoying flashing colors.
• turns off immediately when a drink has been consumed or Glo is removed from a beverage. No drying. No waiting.
• battery operated and sealed tight for safety. The batteries are non-replaceable, but the units are reusable and can last for weeks.