Classic Crossbow Marshmallow Shooter. The Marshmallow Crossbow is a single shot bow powered marshmallow shooter. To fire, simply pull back on the pump tube until it locks and with a squeeze of the trigger it will send a large marshmallow up to 30 feet. Join the party and pass the marshmallows, it"s time to battle hard and play soft. For ages 6 and up. Dimensions: 18" L x 28" W x 7" H Weight: 1.4 lbs.