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!
A super simple Easter craft: Paper plate chick. Great one for young children and toddlers with supervision. Easter Crafts for Preschoolers: Top 20 Toddler Easter Crafts