Science Fair: DIY Hovercraft The boys love balloons. Thought this would be a good project.
DIY Portable LEGO Kit with 24 Free Printable Activity Cards. A great idea for those times where you have to wait (Doctor's office, restaurant) or when you are traveling (great in the car or on a plane)! From Fun at Home with Kids
Paper straw rockets
DIY A-Frame Tent
DIY :: fabric peonies
DIY Rubber Slime
DIY marble bowling! A great boredom buster!
DIY Photo Light Box
DIY Fortune Tellers...loved these when I was a kid.