With a few o-rings, pvc tubes, and some creativity, you can have hours of do-it-yourself summer fun with homemade water guns.
As with many DIY projects, these range from very simple half hour creations to complicated weekend projects. Perfect for putting your man cave or garage workbench to the test with everyday materials from your spare parts drawer or recycling bin.
Consider trying one or more of these:
Basic PVC water cannon
For similar PVC cannons: