US$ 49.99
sized for physics force experiments and balance calibration in classroom laboratory sessions
liquid columns
Built for amphibian development study
Spare pack of ten low-mass pith balls sized for the standard pith-ball electroscope
5-inch funnel during gravity filtration in chemistry classrooms
Plant and Animal Cell Comparison Model Included_Rod & Base sized for physics force experimentsBuilt for cell structure comparison, this dual cell model pairs plant and animal cells side by side to highlight cell wall, chloroplast, and vacuolar differences.
US$ 49.99
US$ 11.99
US$ 164.00
US$ 1319.50
US$ 29.99
US$ 22.00
US$ 20.00
US$ 42.99