Amoeba Proteus Anatomical Model with Extended Pseudopod, 1000x Magnification Material_Hardwood Complete 12-piece simple machines set

Complete 12-piece simple machines set covering inclined plane

and block and tackle

Designed for liquid-fill Snell's-law work at smaller scale

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

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 Complete 12-piece simple machines setAmoeba Proteus model at 1000x magnification reveals extended pseudopod, contractile vacuoles, and nucleus for single celled organism anatomy teaching.