Here's what you'll need to build your own Air Cannon!
-Large paper cup (e.g., 12- or 16-ounce size) (Or: Ice-cream or yogurt container, milk carton, oatmeal box, 1-pound salt container, mailing tube, or juice box)
-Newspaper bag (Or: Duct tape stuck together to make an airtight square of cloth, a bag from a grocery store’s produce section, shopping bag used to carry purchases, or elastic material that’s cut square from a balloon or stretchy rubber)
-Pom-poms (small- and medium-sized) (Or: Cotton balls or mini marshmallows)
For step-by-step instructions visit the Design Squad website.