Hand-Painted 3D Starfish Sectional Anatomical Model on Base, 18 x 16 inch Light & Optics_Spectroscopy Used to determine irregular-object volumes

Used to determine irregular-object volumes by water displacement

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

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

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

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

Hand-Painted 3D Starfish Sectional Anatomical Model on Base, 18 x 16 inch Light & Optics_Spectroscopy Used to determine irregular-object volumesThree dimensional starfish sectional model reveals echinoderm anatomy, water vascular system, and radial symmetry for marine biology teaching.