"AP physics"

Learn genetics like Mendel.

Ames test strain for detecting carcinogens. Causes infection in humans. 

Formalin Preserved.

Our Most Popular collection.

Sale

Give your students a piece of outerspace.

Gray and poorly sorted, with a gritty texture.

Everything Students Need to Work Independently to Identify Rocks and Minerals

A Complete Kit to Communicate the Concept of Hardness in Minerals

Substantial Set of Economically Important Minerals

Clear rhombs showing double refraction.