Balloon ping pong/volley ball
Make a Hovercraft This is a brilliant kid craft--so brilliant that you may indeed find yourself playing with it too. Not that I'd have any experience with that.
Super-fun balloon rockets also teach an important science lesson.
mini hot air balloon
Paper plates, Popsicle sticks, and a balloon are all you need to play Balloon Ping-Pong.
Balloon ping pong
balloon ping pong
Balloon Ping Pong. I think I might even be able to do this.
Balloon Ping Pong. Simple, cheap, yet entertaining enough to occupy the kids for hours :) Imagine doing this to practice skip counting!
Balloon Ping Pong....rainy day activity