More to explore:
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
DIY A-Frame Tent
Make a Cootie Catcher Filled with Kindness Ideas!
Make your own bouncy ball! Super fun!
made this for work for our "space" unit. my kids loved it! Add glitter and it makes for magical green space gak :)
Cootie Catcher .. We used to call them Fortune Tellers and write things like 'You smell bad.' in them.
Make a Lego marble maze. This is a very spatial, tactile, logical task... requires clever thinking and some trial and error... great problem-solving activity.