Amoeba Proteus Anatomical Model with Extended Pseudopod, 1000x Magnification Material_Hardwood One-inch brass ball that threads

One-inch brass ball that threads onto a pendulum string as a heavier metal counterpart to aluminum or steel balls in mass-dependent periodic-motion investigations

Long-focal double-convex glass lens at 75mm diameter and 500mm focal length

Rooster dissection model demonstrates avian anatomy

the flywheel light enough to drive by breath for hands-on reciprocating-engine study

Amoeba Proteus Anatomical Model with Extended Pseudopod, 1000x Magnification Material_Hardwood One-inch brass ball that threadsAmoeba Proteus model at 1000x magnification reveals extended pseudopod, contractile vacuoles, and nucleus for single celled organism anatomy teaching.