How to make a fort (For CEan kids at heart)

At one time or another most of us have made a 'fort' or a play house atleast. I rmember doing it for my sisters more than sixty years back, then for the next gen children, nephews and (the sole) niece and now for the still another gen my grand daughter.
For those CEans young at heart here is a set of 'forts' they can play around with or in!
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