A propeller boat uses rotating paddles to push water, enabling movement. Assemble ice cream sticks into a boat shape, attach bottle caps as paddles and use a rubber band for propulsion.
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A propeller boat works by spinning paddles attached to a rotating axle, creating thrust in water. To make one, first, paste ice cream sticks in a boat-like structure and make holes to insert axles. Attach bottle caps with slits as paddles to the axles. Secure a rubber band to the boat’s tip and axle for propulsion. Wind the rubber band, release it, and watch the boat move in water.