Soda Bottle Water Rocket Launcher Toy Do it Yourself Kit. Prefabricated parts, 10 to 15 minute assembly. Prefabricated Launch Rail and Valve Stem. All other parts included. Material needed for assembly: PVC Glue. Assembly and Launch Instructions Now Included. Materials and Tools Needed for Launch: Plastic (PET) soda pop or water bottle, water, air pump, Large open space, tent peg or brick to keep launcher from moving. Launcher will enable you to propel a 2 liter plastic (PET) soda pop bottle over 250 ft. Modifications to bottles allow them to go much higher. Pump not included.