DIY :: How To Make A Cloud.you could utilize this for a lot of things. Would be really fun to make some of these so kids feel like they're on top of a coaster-- in the clouds! These have to hang from the ceiling!
Modular Origami - OMG, a friend turned me onto it one year, and I was so addicted to making polygons. There are many kinds of modules and some are easy to make. Just generate a lot of them and plug them together. Great for idle hands while watching TV.