US$ 247.50
Triple tandem plastic pulley with 25/38/50mm ball-bearing wheels on an open-sided 17
75-inch height range for bench apparatus
Seventy-eight-piece molecular model set with 45 atoms and 33 bonds for building basic organic and inorganic structures
Reel of 250-foot 24 SWG nichrome resistance wire
7-Part Human Heart Model, Hand-Painted Human Anatomy_Human Anatomy Charts & Models Triple tandem plastic pulley withSeven hand painted removable parts expose atria, ventricles, valves, and major vessels of the human heart, supporting detailed cardiac anatomy coursework.
US$ 247.50
US$ 100.00
US$ 250.00
US$ 100.00
US$ 100.00