Description

the heaviest metal option alongside brass

this galvanic skin response data-logging sensor tracks changes in skin conductivity tied to emotional and physiological states

and magnetic field — on a color touchscreen display

and funnel

Rod-mounted plastic ball-bearing pulley with a 50mm wheel on a 150 by 10mm rod

Real Coal Specimen with Cotton Bag, Large Lump Included_Rod & Base the heaviest metal option alongsidePart novelty gift and part geology specimen, this single large lump of genuine American coal ships in a cotton drawstring bag with a linked science experiment activity.

Exchange/Return Notes

We offer a 30-day return/exchange service after receiving.
Final sale items are not eligible for returns or exchanges.
To process your return/exchange, please contact us at [email protected]
Please click here for more details>>> Return & Exchange Policy

Real Coal Specimen with Cotton Bag, Large Lump Included_Rod & Base the heaviest metal option alongside

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