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Active Time
45 minutes to 1 hour
Total Project Time
45 minutes to 1 hour
Key Concepts
Water pressure


Do you enjoy playing with water? Have you ever considered building a water sprinkler toy? It is easier than it looks!

Get some PVC pipes, a few connectors, and a backyard water hose, then drill a few holes and start connecting! What will be your most creative and most fun design?


Sabine De Brabandere, PhD, Science Buddies
This activity is not appropriate for use as a science fair project. Good science fair projects have a stronger focus on controlling variables, taking accurate measurements, and analyzing data. To find a science fair project that is just right for you, browse our library of over 1,200 Science Fair Project Ideas or use the Topic Selection Wizard to get a personalized project recommendation.


  • 1/2" PVC pipe, 25 ft or more
  • PVC pipe connectors. Since you will make your own design, we cannot give you exact numbers. Make sure to get "slip" or "socket" connectors (the kind where you just push in the pipe) instead of threaded. Start with a few of each of the following:
  • Garden hose
  • 1/2" PVC hose adapter. A 1/2" Slip PVC x 3/4" Female Thread Garden Hose to Pipe Fitting works for most garden hoses.
  • Permanent marker
  • Drill with 1/8" drill bit
  • Pen and pencil
    Pictures of the materials needed to build a waterpark from PVC pipes.

Disclaimer: Science Buddies participates in affiliate programs with Home Science Tools,, Carolina Biological, and Jameco Electronics. Proceeds from the affiliate programs help support Science Buddies, a 501(c)(3) public charity, and keep our resources free for everyone. Our top priority is student learning. If you have any comments (positive or negative) related to purchases you've made for science projects from recommendations on our site, please let us know. Write to us at


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Active Time
45 minutes to 1 hour
Total Project Time
45 minutes to 1 hour
Key Concepts
Water pressure
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