Check the listing for details. Carbon Fed Planaria - Prepared Microscope Slide - 75x25mm - Eisco Labs. Condition: New. Listed at 6.99 USD. Carbon Fed Planaria - Prepared Microscope Slide - 75x25mm - Eisco Labs Single, prepared slide with freshwater flatworms called Planaria. Carbon fed planaria shows enhanced visibility of digestive tractShows general structuresGreat for biology classrooms to explore structure-function connection as per NGSS standardsSlide measures 75mm wide and 25mm longArrives in a protective cardboard casing Single, prepared microscope slide with freshwater flatworms called Planaria. Carbon fed planaria shows enhanced visibility of digestive tract. Shows general structures. Great for biology classrooms to explore structure-function connections as per NGSS standards. Arrives in protective cardboard casing. Slide measures 75mm (3") wide, 25mm (1") long and 0.06" in height. Slides are expertly prepared, and labeled for easy identification. All materials in Eisco Labs slides are completely inert and sealed in glass. Product Details Brand Eisco Product Type Prepared Slides MPN BS18141 Check out my other items.