All you need is an empty Kleenex box. Oh, and cash. Dollar bills. Tape the dollar bills together end to end with Scotch tape. Obviously the more dollar bills the greater the “WOW.” Stuff them in the Kleenex box with just one dollar sticking out of the box. It’s fun to watch someone’s eyes grow wider as they pull out the dollars that go on and on. Make a tag that says: Don’t blow it all in one place. Happy Birthday.
Paint wood boards & attach cheap black frames for more punch. Cool!
You find them in lots of places ... don't toss them! Reuse those silica gel packets ... we generally drop ours in tool boxes to keep the tools from rusting but there are lots of uses!
Keeping flies away from outdoor party food.