Marble Chip Sequential Sieve Sorter

Simple set of stackable sieves for sorting marble chips. Ideal for school science techs / teaching Rates of Reaction.

Designed for durability.

First screen selects for Large chips (>10mm)
Second screen selects for Medium chips (5-10mm)
Third screen selects for Small chips (<5mm)
Depending on your needs, print the middle screen twice and stick a fine mesh over the grid to add separation for powder.