Awesome kid fort idea: king size duvet cover plus exhaust fan facing into duvet cover=awesome fort. Or use a king size bottom sheet over a queen size bed and face fan inwards. Great hot summer night idea for kiddos.
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How to Make a Fan Fort. Want to make a fun and exciting fort? Get a big plug-in fan. The little kind you put on desks isn't gonna work. Next, you need to find a fitted sheet - the kind with the elastic on it.