"Freeze-Dried Specimens"

These easy-to-use guides feature full-color photographs of living specimens as you would see them in their natural habitats, making identification of specimens a breeze.

A set of 15 samples of different materials used to challenge students to identify materials based on measurement of their density. For some specimens this will be straightforward. In other cases, it will lead to a discussion of uncertainty in measurements and data, and to an awareness that different materials may have nearly the same density.

Formalin preserved perch, shipped in nontoxic Wardsafe. Available in vacuum packs or pails

The Inflatable Lungs Kit demonstrates the touch and feel of a lung.