"WardsSci000478"

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

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

Compact, 2-in-1 field tool and weather instrument.

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

This coloful mix of naturally colored polished stones are available in a variety of tumbled sizes. 1 lb. package.

This replacement high-concentration diamond wheel is six inches in diameter.

Multifunction Capability in One Affordable Instrument

Introductory Planetarium is a simple model for hands-on demonstrations.

With this collection of science kits, you and your students can explore the concepts behind and the many applications of solar hydrogen, direct methanol, and other fuel cell technologies.

Determine Soil Temperature Quickly.