Here's a fun idea I came across on this blog for the kiddies - heck, you could do it without the kiddos! I used approximately 3/4 cup of bubble solution to 10 drops each color of McCormick Neon food coloring in disposable cups. We laid out white poster board on the non-slick side and blew our bubbles.
A couple pictures of our colorful bubbles:
A few pictures of the cool patterns left on the paper after the bubbles popped: