"Avantor"

Rigid, dense layer of bone

Made of safe, unbreakable plastic, the vials are available with or without friction-fit caps to prevent escape.

This three part kit uses chalkboard models, manipulatives, and demonstrations to help students gain a better understanding of the math involved with chemistry.

Includes: six each of obsidian, pumice, and basalt. Set of 18.

Common rocks and minerals for testing and identification studies are 2–3cm each.

Comprehensive, Economical Test Kit.

Blood and Bone Marrow Disease

Complete fossil fish in matrix.

Explore precision and error in measurement.

Our excellent series of standard thin sections features important and interesting rock-forming mineral types most often found in field samples.

Major Component of Zooplankton

Illustrate the Alteration of Generations

Phylogenetic Examples of Different Morphological Types and Metabolic Strategies

Demonstrates Well-defined Endospore

When minerals, rocks, and fossils cannot be accurately identified by macroscopic observation and testing, thin section slides can reveal the composition and structure of the specimens on a microscopic level.