Includes three disposable dissection pans (we could charge you $10 to $20 extra for a single non-disposable pan, but what would you do with it after you've done the experiments) and four specimens packaged in an easy-to-open container: frog crayfish yellow perch worm These animal specimens are initially preserved in th Sonlight resource: https://www.sonlight.com/products/extra-dissection-animals-and-trays-for-additional-student