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Marshmallow DIY Catapult Challenge! - Science & Stuff
DIY Marshmallow Launcher Tutorial
Jawline trainer
Marshmallow Catapult for Kids
I made a catapult to launch marshmallows! Thanks, Leonardo da Vinci.
Sci-Tech Labs: Mini Marshmallow Launcher
Mazooka Marshmallow Bazooka
DIY Mallow Blaster! TKOR Shows You How To Make a DIY Marshmallow Shooter!