Target age group: ages 10-15
I recommend doing the labs in the order listed below, but you are welcome to use them however you want to.
(When you click on the link it will take you directly to the PDF file for the lab, not to another description page.)
This is an easy-to-make paper version of the plastic balancing bird toys sold by online toy stores. I designed it for a summer science fair I did recently and it was popular with both boys and girls from ages 2 to 13. It's just one page, to be printed onto card stock paper.