The Nightmare Cannon is built for accuracy and powered by one WeDo motor.
Cotton Ball Launcher
Aussie Super Accurate Marshmallow ThrowerConstructed by Josh and William, Year 4 (10 years old) boys.This was the second attempt to fire the marshmallow into William’s mouth!!
My Marshmallow Launcher catapults mini-marshmallows with the objective of a long distance. The key to the long distance is the long neck. This Marshmallow Launcher catapults mini marshmallows a long distance. The key to the long distance is the long neck.