Human Digestive System Model, Half Size, 2-Part Material_Cork Two-speed ticker timer kit printing

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

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

Cubic 16 by 16 by 16 cm footprint defines this autoclavable polypropylene test tube basket

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

Human Digestive System Model, Half Size, 2-Part Material_Cork Two-speed ticker timer kit printingHalf size digestive system model fits smaller class benches while preserving the full esophagus to rectum path and accessory organ anatomy in two removable parts.