Features Food Web poster, Vole Skeleton poster, and Bone Sorting Chart poster showing bones of rodents, shrews, moles, and birds. Includes 15 large, heat sterilized, individually wrapped barn owl pellets and a teacher's guide containing background information, suggested teaching strategies, a laboratory guide, projects, skull keys and references! Kids get a a hands-on idea of how predator and prey interact in nature with this kit. Great for Science learning and activities. Develops hand and eye coordination. Barn Owl Pellets are a natural teaching tool. They are a fantastic example of the food chain, the principles of ecology, animal structure and function, skeletal anatomy, and natural history! From kindergarten to the collegiate level.