This backyard slingshot can be used for a variety of things. From water balloon fights to balls knocking over Homer bucket pyramids.
DIY Wooden Roads and Ramps for Toy Cars: Easy homemade car tracks perfect for outdoor and inside play- especially fun for Hot Wheels fans! Great for school or home.
Plunger painting or other plunger activities. Involves a lot of body strength
Fun with water, great recycled plastic bottle project. This could be pretty if you used wine bottles. It's just a matter of figuring out how to cut a hole in the side.