Things You'll Need
Instructions
Empty the soda out of the 2 liter soda bottle, and let the soda bottle dry. Cut a hole in the side of the soda bottle with the utility knife.
Insert the end of the basketball pump into the hole in the soda bottle. Hot-glue the end of the basketball pump to the soda bottle, and let the glue dry.
Insert the 4-inch long PVC pipe into the spout of the 2 liter soda bottle. Hot-glue the PVC pipe to the soda bottle, and let the glue dry.
Insert the other end of the the PVC pipe into the PVC pipe valve. Hot-glue the PVC pipe to the PVC pipe valve, and let the glue dry.
Insert one end of the 2-foot long PVC pipe into the PVC pipe valve. Hot-glue the end of the PVC pipe to the PVC pipe valve, and let the glue dry.
Hot-glue the end of a wooden ruler to one side of the basketball pump with the free end pointing upward. Hot-glue the end of another wooden ruler to the other side of the basketball pump with the free end pointing upward.
Hot-glue the top end of one of the wooden rulers to the side of the 2 liter soda bottle to keep the basketball pump from moving when being pumped. Hot-glue the top end of the other wooden ruler to the other side of the 2 liter soda bottle to keep the basketball pump from moving when being pumped. Let the glue set.
Insert a NERF dart into the end of the PVC pipe. Pump the basketball pump five times. Aim the NERF gun at a target. and release the valve on the PVC pipe valve to fire the NERF dart.