Hand-Painted 3D Starfish Sectional Anatomical Model on Base, 18 x 16 inch Light & Optics_Spectroscopy exposing the longitudinal and transverse

exposing the longitudinal and transverse components of wave motion mechanically

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

and membrane systems for introductory cell biology teaching

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