A Rabbit Can - Cute! Glue felt-covered cardboard head onto cut-away can. Paint on hands and carrot directly onto can, or paint on paper/fabric that is attached to can. Use white pom-poms to toss for a game.
DIY Rocket ship photo booth at a space themed birthday blast off party. Use a few cardboard boxes covered in blue plastic tableclothes and spraymount a foamcore rocket ship on front. Cut a porthole in.