US$ 61.75
this zinc-plated cast iron triangular tripod stands 8
Mounted on a metal base with lenses fixed in their working positions
Entry-level two-part human skull model separates the skull cap to reveal the cranial cavity for introductory head-anatomy teaching at secondary and college levels
Three-hundred-millimeter black 2mm-stackable lead with nickel-plated split-hollow pins on both ends
Red Molecular Model Atom, 1.5cm, 1 Hole, 10-Pack Graduations_50mL this zinc-plated cast iron triangularTerminal one hole red atoms in a 10 pack at 1. 5cm diameter, conventionally representing oxygen at a bond terminus in molecular model structures.
US$ 61.75
US$ 4243.50
US$ 2736.50
US$ 2736.50
US$ 2051.50
US$ 3079.00