Human Digestive System Model, Half Size, 2-Part Material_Cork Nickel-plated T-pins provide secure specimen

Nickel-plated T-pins provide secure specimen pinning with broad heads for stable dissection board mounting in biology laboratories

Eight-piece stainless steel slotted mass set supplied with a corrosion-resistant finish

Two-speed ticker timer kit printing 25 or 40 dots per second on paper tape via carbon discs

this 2-pack of 20oz Griffin-shape borosilicate beakers adds a pouring spout for everyday home use

Human Digestive System Model, Half Size, 2-Part Material_Cork Nickel-plated T-pins provide secure specimenHalf size digestive system model fits smaller class benches while preserving the full esophagus to rectum path and accessory organ anatomy in two removable parts.