Here's a project I just made the other day. It's in my room and I like how the paper covers have lessened the intensity of the blue L.E.D.s.
It's an easy project, look up a tutorial for an origami water bomb, get some colorful origami paper, and there you have it.
http://s1072.photobucket.com/albums/w376/octocraftster/?action=view¤t=IMG_1032.jpg