Optical Lens Set, 2", 6-Piece, Convex and Concave Material_Polypropylene 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

Graphite lattice kit whose atoms and connecting rods assemble into planar carbon sheets

Built for kitchen science whimsy

Beaker-themed beer pong set includes 12 polypropylene 500mL beakers and 2 pong balls for chemistry-themed party gameplay

Optically-worked glass double convex lens with a 150mm focal length and 1

Optical Lens Set, 2", 6-Piece, Convex and Concave Material_Polypropylene Half-size digestive system model fitsSix lens optics set of three double convex and three double concave glass lenses with ground beveled edges, designed for image formation and focal length investigation.