Coarse Iron Filings, 250g, 20 Mesh Subcategory_Thermometers Nickel-plated T-pins provide secure specimen

Nickel-plated T-pins provide secure specimen pinning with broad heads for stable dissection board mounting in biology laboratories

Sized for compact classroom display

Aluminum 40cm precision force table with tapped pulley positions and central ring assembly for resolving and composing force vectors under equilibrium conditions

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

101-piece teacher-grade molecular model set with 51 atoms and 50 bonds covering carbon

Coarse Iron Filings, 250g, 20 Mesh Subcategory_Thermometers Nickel-plated T-pins provide secure specimenUsed to trace the invisible shape of magnetic fields, this bottle of coarse 20 mesh iron filings is a staple for classroom magnetism and field pattern demonstrations.