"PARKWAY PLASTICS, INC."

Gray, fine-grained, massive contact rock.

Fine to medium-grained with biotite.

Gray to buff, with numerous ooliths and fossil fragments.

Clear, pure cleavages, Mohs’ hardness of 2.

Indestructible, high-quality, fiberglass tape.

For maximum protection, this dispenser is designed with a safety razor that slides and cuts with no danger to fingers.

Vividly demonstrate the power of magnetic attraction.

The Friction Rod Kit has all the materials needed to perform a variety of electrostatic experiments and demonstrations.

Black, Micaceous, glittery metallic.

The durable Wilmshurst Machine is made for years of use.

Gray with line crinoid columnal fragments.

Grayish black trap rock.

Reliable kit in a quality carrying case!

Assign storage for each student in your Stem lab

Light gray, earthy.

Introduce coding and programming in a fun an easy way.