Study the kidney and the excretory (urinary) system by dissecting Carolinas Perfect Solution sheep kidneys. Carolinas Perfect Solution sheep kidneys are preserved and shipped in safe, nontoxic Carolinas Perfect Solution. Tissues and organs are extremely lifelike and retain better color and texture than with other preparations. Kidneys are available in pails or in damp-packed, vacuum-sealed bags. Carolinas Perfect Solution specimens are also ideal for homeschool use. The specimens are safe and nontoxic, which means you need no special ventilation and theres no costly disposal.