Engineer a mini T-shirt cannon out of a toilet paper roll and rubber bands to shoot marshmallows at a target or into a crowd!
Decide which materials to use for the T-shirt cannon. This lesson will use a toilet paper roll, plastic bottle cap, paper clip, and marshmallows.
Create two small holes opposite of each other at one end of the roll with scissors or thumb tacks. SAFETY NOTE: use care when puncturing holes with sharp objects.
Puncture two small holes in the plastic bottle cap with scissors or a precision screwdriver. SAFETY NOTE: use care when puncturing holes with sharp objects.