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

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

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

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

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 Used to determine irregular-object volumesThree dimensional starfish sectional model reveals echinoderm anatomy, water vascular system, and radial symmetry for marine biology teaching.