Eyeball Ice Cubes

Cool Gear 6 Glow in the Dark Eyeball Ice Cubes Freezer Gel inside (Non Toxic Gel)
Serve Chilling Drinks great for parties
freeze for 4-6 hours or until gel is frozen entire tray can be frozen at once
Hold up to fluorescent light for 30 seconds, this will allow glow to charge
Repeat to recharge ice cubes for continued use.  If these look scary for you, check out the classical reusable whisky rocks.