Desktop Skeleton: This skeleton features a movable jaw on springs and allows for natural movement of the joints, with the exception of the fused carpals and tarsals. It is constructed from durable plastic and comes with a sturdy plastic base. The skeleton includes unbreakable ribs and uses stainless steel screws, brackets, and springs that resist corrosion.nnHuman Torso: This six-part plastic torso model displays the respiratory, circulatory, digestive, nervous, and urinary systems, as well as musculature. The lungs, heart, liver, stomach, and intestines can be easily removed for further examination. This model is compact, durable, and ideal for introductory biological science classes.nnHuman Skull with Muscles: This three-part model includes numerical markings for easy identification of the cranial bones, sutures, and muscles. It features hand-painted sutures in orange, muscle origins in red, and insertions in blue. The skull cap is magnetic and can be removed for a closer look at the inner cranial bones. The jaw is spring-mounted to demonstrate natural movement and is detachable for further investigation. Dimensions:nnCarrying Case: This black carrying case is made from thick, reinforced nylon. It features padded cushioning inside and includes Velcro straps to secure the models.nnSpecifications:nnEconomy models do not have the detail of museum-quality models, but they are ideal for hands-on visual learning.nnEach model comes with its own labeled manual to help provide an engaging learning experience for everyonenThe black zip-up carrying case with a top handle is a great way to carry these figures around if you’re on the go, or if you just need a place to safely store themnCarrying Case Dimensions: 19 x 12 x 10.5 innHuman Skull with Muscles Dimensions:  9 x 6 x 6 innHuman Torso Dimensions: 5 x 3 x 10 innDesktop Skeleton Dimensions: 17 in