US$ 50.00
Graphite lattice kit whose atoms and connecting rods assemble into planar carbon sheets
Combining fingerprint
and microbial specimens for general biology microscopy coursework
durable enough for repeated classroom handling
the ferrous reference specimen in the metal density series
Hardwood Insect Pinning Block with 5-Hole Step Heights Color coded periodic table Periodic table Chemical elements Periodic table poster Graphite lattice kit whose atomsStepped five hole pinning block sets each insect pin at a consistent height, standardizing specimen mounting position across an entomology collection.
US$ 50.00
US$ 78.98
US$ 50.00
US$ 60.98
US$ 397.50
US$ 207.50
US$ 112.50