Hand-Painted 3D Starfish Sectional Anatomical Model on Base, 18 x 16 inch Light & Optics_Spectroscopy 81-piece physics mechanics kit covers

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

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

demonstrating mechanical advantage as the angle of incline changes the effort needed to roll the cart up the slope

exposing the longitudinal and transverse components of wave motion mechanically

Hand-Painted 3D Starfish Sectional Anatomical Model on Base, 18 x 16 inch Light & Optics_Spectroscopy 81-piece physics mechanics kit coversThree dimensional starfish sectional model reveals echinoderm anatomy, water vascular system, and radial symmetry for marine biology teaching.