"geo-logic"

Give Your Students a Lesson in Economics as Well as Geology

Ideal learning tool for introductory geology classes.

Activities to Examine the Appearance of Minerals

Geometric Shapes and Structures of Crystalline Minerals.

A variety of tensile strengths and physical traits represented.

Thirty-two hand selected plant and animal fossils with a classroom activity set.

The Jolly Logic Altimeter analyzes flight altitude, acceleration, top speed, flight duration, and six other important flight statistics.

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

Feldspar group; white to gray, sodium plagioclase cleavages; some faces may show twinning.

Accurate Models Without Vertical Exaggeration