Economy Atwood Machine, 8.25" Category_Anatomy and Life Science Hundred-fourteen-piece organic chemistry molecular model

Hundred-fourteen-piece organic chemistry molecular model set with 50 atoms and 64 links covering single

5-inch funnel during gravity filtration in chemistry classrooms

Half-size digestive system model fits smaller class benches while preserving the full esophagus-to-rectum path and accessory organ anatomy in two removable parts

Beech wood test tube rack accommodates 13 tubes up to 25mm diameter in a 10

rocker arms

Economy Atwood Machine, 8.25" Category_Anatomy and Life Science Hundred-fourteen-piece organic chemistry molecular modelEconomy 8. 25 inch Atwood machine with two 2 inch blue plastic pulleys on an aluminum rod, using metal bearings to minimize friction in uniform acceleration and Newton's second law work.