"The Mystery of Lyle and Louise"

Multipurpose stirring rods with rounded ends and a 6 mm (0.25") diameter, these borosilicate glass stirring rods are excellent for laboratory or home use, providing efficient mixing capabilities.

For first aid/rescues.

A Great Comparison To a Human Hand.

Simulate multiple generations of Mendellian inheretance.

Multipurpose stirring rods featuring dual button ends and a 6 mm (0.25" ) diameter, these borosilicate glass stirring rods offer precise stirring for laboratory or home use, ideal for stirring, scooping, circulating and crushing.

Engaging inerlocking model for exploring how Earth’s landforms form and interact.

A redefined and extremely robust hand-held gyroscope.

Black, soft; most widely mined.

Slaty cleavage; contains hematite.

Spinel group; black, dull metallic luster; common iron oxide.

Gray to buff, with numerous ooliths and fossil fragments.

Gray, fine-grained, massive contact rock.

Pale pink felsite, with small sanidine phenocrysts.

Lustrous, black 'hard coal'.

Light gray, fine small clasts.

Dense and massive.