Hand-Painted 3D Starfish Sectional Anatomical Model on Base, 18 x 16 inch Light & Optics_Spectroscopy with both 4mm stackable sockets

with both 4mm stackable sockets and screw terminals so leads wire in without an adapter to either bench standard

Copper-block plug key switch with two 4mm terminals and a removable plastic-guarded plug

and membrane systems for introductory cell biology teaching

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

81-piece physics mechanics kit covers comprehensive laboratory investigations through force analysis

Hand-Painted 3D Starfish Sectional Anatomical Model on Base, 18 x 16 inch Light & Optics_Spectroscopy with both 4mm stackable socketsThree dimensional starfish sectional model reveals echinoderm anatomy, water vascular system, and radial symmetry for marine biology teaching.