-. Brand : Nasco -. Feature : Patented NASCO-Guard Specimens allow students to work unhampered by the odor and messiness associated with normal specimen lab work / Sold as an each / Recommended Uses: Preserved Materials Bullfrogs Chordata - Amphibia Dissection and Science / Short Name: BULLFROG 6-7 J3- LS02509 / From Nasco - The Leader in Farm, Education, Art and Science Products for Over 75 years -. Label : Nasco -. Manufacturer : Nasco -. MPN : LS02509 -. PartNumber : LS02509 -. ProductGroup : BISS -. ProductTypeName : LAB_SUPPLY -. Publisher : Nasco -. Studio : Nasco -. Title : Nasco Bullfrogs (Rana sp.) - Size: 6"-7"; Injection: Triple Lab Specimen - LS02509