Simplify the following text for a Grade 4 native English-speaking person.
Original: Early in the series , Molly is the only character who makes a costume but creates it from old bed sheets and clothes , not the traditional spandex of superhero costumes ; she never wears the costume again .
Simplified: Molly is the only character who makes a costume but it is made from old bed sheets and clothes . She never wears the costume again after vol .