How to Make a Super Soaker

Written by kara bietz
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How to Make a Super Soaker
Homemade water guns can often shoot farther and hold more water than the plastic store-bought versions. (water pistol image by Christopher Meder from

Chances are, you have all the materials you will need to build your own powerful water gun right in your own garage. With a little time and patience, you can create your own super soaker that will rival any plastic toy store version in your neighbourhood. Use care when assembling the water gun, and be sure an adult is available to help cut the tubing and work with any sharp objects.

Skill level:

Things you need

  • Plastic 2-liter soda bottle
  • Length of 1/4-inch-wide tubing
  • 2 garden hose attachments
  • Garden hose sprayer
  • Ball valve that fits on the tubing
  • Drill and drill bit
  • Electrical tape
  • Garden hose

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  1. 1

    Using the drill, make a hole in your bottle cap the same size or slightly smaller than the width of your tubing.

  2. 2

    Screw the garden hose attachment into your spray nozzle, being sure that it is tight. This is the most common place to have water leaks.

  3. 3

    Screw the bottle cap back onto the 2-liter bottle. Insert the tubing into the bottle, all the way down to the bottom. Use a little electrical tape around the insertion point of the tube on the bottle cap to hold it in place.

  4. 4

    Fit the ball valve onto the other end of the tubing. Fit the other end of the valve onto your garden hose sprayer.

  5. 5

    Take the tubing end off of your spray nozzle and insert a garden hose. Use the hose to fill up the 2-liter bottle. Be careful--the bottle and tubing are now pressurised from the garden hose. Turn the ball valve and reattach your spray nozzle to the tubing. Turn the bottle so it is cap-side down. Use the spray nozzle to squirt. Your homemade water gun should shoot 40 feet depending on the type of spray nozzle you used.

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