sweetest littles: a cozy little space with pvc pipes (just add sheets)
How to Make a Nerf Spinning Target - Fun game for a Nerf birthday party! Great boredom buster too.
fort/playhouse made out of PVC pipe - complete tutorial
10 #Clever Ways to Reuse Hula Hoops ...
Collapsible Indoor Playhouse
Card board box!
D.I.Y hideout with carton boxes