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, and wil
Balloon Rockets - I've done this in several science camps I've conducted. Kids have fun with it. But, when the balloon deflates it may fall off the straw because it's surface area changes - another good thing to show and explain to kids.
Marble Races with a cheap pool noodle (occupies the kids for hours.) Did this, but instead of cutting the pool noodle, the marble is small enough to fit inside the full noodle to roll down. Then can use the noodle for other things too!