Our real bone skeletons are an excellent teaching aid for any level of anatomy class and each skeleton comes with a useful key to identify bones. Careful cleaning and preparation ensures a near perfect skeleton. The Grassfrog Skeleton measures over six inches (6 ). Mounted with the legs extended between two clear plates for easy dorsal and ventral viewing SHIPPING NOTICE: Some specimens may have a lead time of 4 - 6 weeks before your item is ready to ship please send us a message via Live Chat or give us a call 800-422-1134 for more information. PLEASE NOTE: Specimens should be stored at room temperature and out of direct sunlight. If the specimen remains unopened in the vacuum-pack or pail-pack the specimen should last indefinitely. Once opened the specimen will last for a couple of weeks do not use specimen if the specimen dries out or begins to grow mold. An unopened specimen is guaranteed for up to one year.