Glow in the dark pong! Take any color solo cup, wrap a glow stick in the bottom, top with a clear solo cup (can fill with the liquid or not)! Or, just a clear cup with a glow stick in bottom, with or without another clear solo cup on top of that. 18th Birthday Party, Summer Birthday, Birthday Party Games, Birthday Ideas, Teen Birthday, Bonfire Birthday, 21st Party, Glow Stick Party, Glow Sticks