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Hardwood Insect Pinning Block with 5-Hole Step Heights Color coded periodic table Periodic table Chemical elements Periodic table poster this metal wave helix demonstrates

SKU 40804618079
4.8
Hardwood Insect Pinning Block with 5-Hole Step Heights Color coded periodic table Periodic table Chemical elements Periodic table poster this metal wave helix demonstrates
Hardwood Insect Pinning Block with 5-Hole Step Heights Color coded periodic table Periodic table Chemical elements Periodic table poster this metal wave helix demonstrates
Hardwood Insect Pinning Block with 5-Hole Step Heights Color coded periodic table Periodic table Chemical elements Periodic table poster this metal wave helix demonstrates
Hardwood Insect Pinning Block with 5-Hole Step Heights Color coded periodic table Periodic table Chemical elements Periodic table poster this metal wave helix demonstrates
Description

this metal wave helix demonstrates pulse propagation

durable enough for repeated classroom handling

the ferrous reference specimen in the metal density series

sodium iodide

Hardwood Insect Pinning Block with 5-Hole Step Heights Color coded periodic table Periodic table Chemical elements Periodic table poster this metal wave helix demonstratesStepped five hole pinning block sets each insect pin at a consistent height, standardizing specimen mounting position across an entomology collection.

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