"Hula hoop, sheets and ribbons. Why did I never think of using a hula hoop to make forts?" - Ooh! This could be like having your very own portable changing room for when you go to the beach and they don't have bathrooms and you don't want to get the car all sandy. Just tie it up to the nearest tree/pole/object and presto!
Tie ribbons to a hula hoop and hang from the ceiling of your reading area. | 36 Clever DIY Ways To Decorate Your Classroom