Backyard or garden is a great place to set up a play area for your children. A fun and safe playground will make your kids away from the computers and be willing to stay outside. Just as this tyre race car track, it is easy and affordable to make.
Bottle Bank via Martha Stewart: transform a used plastic bottle into a cute piggy bank. Could use same idea to made little containers for kids to store their collections too (use bottle with wider opening and don't make slot)