PVC by It's Great To Be Home.  This blogger posted all the plans to make this.  It only takes one person and can be done in an afternoon for aprox. $60.  SHe is planning to do a follow up post with the cover for the fort.  I think sewing a fabric cover could be fabulous.  That would keep it light weight and easy to move around if needed.

PVC pipes aren’t just for waterways you can make unexpected DIY projects out of them. These crafty PVC pipe tutorials show you how to make the cutest crafts, DIY Decor, and toys for kids. Some of these PVC pipe projects include a pvc pipe sunburst mirror…

This is so cool!! Color coded fort kit for kids ~ made from PVC pipe!

DIY Fort Kit for Indoor or Outdoor Use (she: Holly)

a fort kit for kids to design their own forts. (Links to GREAT instructions!!!)

Kid-Size Construction Kit From PVC Pipe

Because blanket forts are always better than pop up tents accotding to my 5 & 3 yr olds. Directions for buying and cutting pvc pipe and joints for multiple blanket fort structures

how to make pvc clips to hold plastic or shade cloth on pvc hoops

Garden Ally: Homemade Hoop Clips - for PVC construction - to hold fabric - bet a cheap vinyl tablecloth would work as a roof

15. It would be perfect reading nook or play house for kids.

20 Easy PVC Pipe Projects for Kids Summer Fun

Kids are all fond of spending time outdoor, so you can do something that makes their outdoor time more fun. Easy PVC pipe projects are a great choice. Check out!

Coup de cœur pour les cabanes d’enfants !

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