Real Coal Specimen with Cotton Bag, Large Lump Included_Rod & Base Five removable sections separate the

Five removable sections separate the enlarged ear into outer

Seventeen-material solids kit with two pieces of each substance in mixed sizes

Larger-bore standard-taper joint pairs with an angled bend to route condensate downstream into the receiving flask during preparative organic chemistry

Heavy-duty metal inspection quadrat divided into 25 equal squares

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

Real Coal Specimen with Cotton Bag, Large Lump Included_Rod & Base Five removable sections separate thePart 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.