The Sonic Marshmallow Cannon is a Super Sonic Expert Level Project, appealing to kids of all ages but requiring more skill and time to build than other SonicDad projects. This cannon is designed for shooting a mini-marshmallow projectile, and is powered by common 91% rubbing alcohol. When a lightly saturated fuel sponge is inserted into the cannon's combustion chamber, alcohol vapor mixes with oxygen to create a flammable mixture. When the igniter button on the cannon is pressed, the combustible gas ignites, producing a loud sonic boom and launching a mini marshmallow!



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