Description

this bottle of coarse 20-mesh iron filings is a staple for classroom magnetism and field-pattern demonstrations

Sturdy wooden pulley simple-machine model with multiple pulleys mounted in series and parallel

Plastic-housed 5

US-milled iron filings at 40-60 mesh in a 250-gram translucent screw-cap bottle

Glacial Landscape Teaching Model Lab Supplies_Tubes & Vials this bottle of coarse 20-meshBefore and after glacial landscape model on a 75 by 100 cm wall mountable backboard, depicting moraines, U shaped valleys, and eroded slopes with each feature labeled.

Exchange/Return Notes

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Final sale items are not eligible for returns or exchanges.
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Glacial Landscape Teaching Model Lab Supplies_Tubes & Vials this bottle of coarse 20-mesh

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