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!
Valentine's Day Ideas: Sew or glue a bunch of little red buttons to form a heart on a piece of canvas. Add a cute bow and heart pendant and it would ultimately look like the cutest Valentine’s Day design fit for the love of your life.