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Water Balloon Catapult Launcher. Secure the bottom part of the soda bottle at the end of the wooden catapult and fasten it with the rubber band. Use the bottle to display your water balloon. Just release the band, aim and fire your water balloon. So exciting.
My bottle tree. Tree made of rebar, a variety of colored bottles, 9 strands of 50 count LED lights, on a timer, electricity from extension cord buried underground in outdoor pvc pipe.