Plant and Animal Cell Comparison Model Included_Rod & Base sized to keep electromagnetism demonstrations

sized to keep electromagnetism demonstrations running when the original coils wear out

5-inch funnel during gravity filtration in chemistry classrooms

sized for physics force experiments and balance calibration in classroom laboratory sessions

Double-concave glass lens at 3-inch diameter and 200mm diverging focal length

Spare pack of ten low-mass pith balls sized for the standard pith-ball electroscope

Plant and Animal Cell Comparison Model Included_Rod & Base sized to keep electromagnetism demonstrationsBuilt for cell structure comparison, this dual cell model pairs plant and animal cells side by side to highlight cell wall, chloroplast, and vacuolar differences.