You can use any shape. It doesn't have to be a bunny. Just trace a shape or cookie cutter. This would be cute for any holiday, just use an appropriate cookie cutter to trace and cut out the shape, then whatever yarn works best for that holiday!
This Is Not Paper, But. - Plaster Hands Project For Kids - by Krokotak Mãos De Gesso == A really nice weekend project for parents and kids make together. Visit Krokotak website to learn how to make these funny and colorful Plaster Hands.