Over vacation last month I cut up a couple hundred feet of PVC pipe,got a bunch of fittings, and then the cheapest, biggest piece of cloth from the craft store.

Over vacation last month I cut up a couple hundred feet of PVC pipe,got a bunch of fittings, and then the cheapest, biggest piece of cloth from the craft store. My nieces and nephews made some pretty cavernous forts with it! (I think the cost was around $150).