Hand-Painted 3D Starfish Sectional Anatomical Model on Base, 18 x 16 inch Light & Optics_Spectroscopy Open back reveals spine and

Open back reveals spine and posterior musculature while the head section preserves upper-body context

Labeled-terminal 50-ohm resistance unit at 7

Used to determine irregular-object volumes by water displacement

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

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

Hand-Painted 3D Starfish Sectional Anatomical Model on Base, 18 x 16 inch Light & Optics_Spectroscopy Open back reveals spine andThree dimensional starfish sectional model reveals echinoderm anatomy, water vascular system, and radial symmetry for marine biology teaching.