here are a few that we've made...
i think that one of the magical things about building forts with kids is that you start with chairs, a table, blankets, etc and end up with a secret hide-out that can be used all day long.
here are a few much more amazing ideas from some super bloggers to inspire your homemade forts:
3. The Pleasantest Thing's towel fort via hands on learn as we grow
what do you use to create awesome indoor forts with your kiddos?