This kit includes 100 Small Owl Pellets, 1-1.5 inch. Each wrapped in aluminum foil and sterilized for the safety of you and your students. Plus 1 Owl Pellet Bone Matching Chart! Makes great gift! Find out what an owl eats and reconstruct a real skeleton from mice. moles and other animals! Owl Pellet dissection is something kids will never forget! If you have some time please leave us a review! We greatly appreciate your feedback on our product.