hamsteroids are grade a in my book, me and my ratties love them. they're colorful little nuggets of bone and shells ground up and picasso always seems to happy to find one in her cage. she picks it up and walks off with it to demolish it in a night. if it's not gone by morning, i at least see these small perfectly round little nuggets in her cage, since i guess they make them round as they chew on them, lol. XD they totally love em.