All you'll need to complete this simple project are a few half-inch PVC pipes in various configurations — straight tubes, ...

A PVC pipe and old plates make a cheery dining spot for birds! I made this pvc bird feeder with leftover material from our bathroom remodeling. You can decorate or paint the pipe any way you like.

[NightHawkInLight] a.k.a. [Ben] recently built an awesome high power air cannon out of PVC pipe. PVC air cannons are great, and everyone should build one of these at some point in their life ...