Comparative Mechanics Ball Set, 4-Piece (Aluminum, Brass, PVC, Steel) Subcategory_Entomology Supplies Half-size digestive system model fits

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

visualizing the forces at play during thermal contraction

supplied in five colors at two leads per color so paired wiring stays color-coded across both sides of a circuit

Used to isolate Gram-negative bacteria and differentiate lactose-fermenters (pink colonies) from non-fermenters (colorless)

3 glass holds 100mL with white graduations and glass key stopcock for titration and volumetric analysis

Comparative Mechanics Ball Set, 4-Piece (Aluminum, Brass, PVC, Steel) Subcategory_Entomology Supplies Half-size digestive system model fitsComparative mechanics set of four spheres aluminum, brass, PVC, and steel for quantifying how material, mass, and density influence momentum transfer in collision experiments.