After your next kegger (do kids these days still have keggers?) gather up all the plastic cups and make one of these:
The maker at Bit of Green tells us the supplies used to make it were minimal and include 200 to 250 large plastic cups, a stapler, 600-700 staples and a lamp socket/lamp cord & plug. As for any melting concerns, BoG says they used a fluorescent light bulb so the temp doesn't get that high. Also, the lamp's pretty big! For the entire tute, head on over to Bit of Green.