Uploaded September 2012 | Updated September 2026, 2 weeks ago

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Blast a marshmallow across the room! Build and test your very own Marshmallow Blaster. How far and fast will your marshmallows fly?

To build your own visit pbskids.org/designsquad/build/marshmallow-blaster

For more videos, activities and games visit pbskids.org/designsquad