"WardsSci000478"

This combination unit indicates the inside and outside temperatures and the indoor humidity.

Large, black, rounded tektite, 1 1/2". Thailand.

1 pound of black sand packaged in a heat-sealed bag.

A versatile marking tool.

Ideal for storage or display of larger specimens

Massive, chlorite-rich.

Multifunction Capability in One Affordable Instrument

For Use With Solar Cell.

Created especially to meet the requirements of the GLOBE program.

Determine Soil Temperature Quickly.