"PARKWAY PLASTICS, INC."

Calculators feature arithmetic functions (add, subtract, multiply, divide), percent, three-key memory, and floating decimal point.

Excellent started set with a wide variety of plasticware.

Clear, euhedral points and sections.

Compact battery holders with wire leads.

This set has been assembled with the general needs of the introductory student in mind.

This wall clock displays the time of day to the second.

Accompany dissections of this insect with a magnified view of the locust.

Tactile Demonstrations of a Chemical Reaction.

Set of color filters to be used with ray box

Fine crystalline, pure calcite.

1.5m dual scale (inches and centimeters) tape measures.

Deep purple crystal clusters.

Physically Separate Different Substances

Clearly reflect images for lessons on symmetry, congruency, lines and planes.

Classic, very coarse-grained igneous texture.

Medium-grained with biotite.