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

Used to produce concentric Newton's rings under monochromatic light

Fullerene C60 kit with 60 atoms and 90 bonds for building the spherical cage structure characteristic of fullerene carbon allotropes

Labeled-terminal 50-ohm resistance unit at 7

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

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.