"Freeze-Dried Specimens"

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.

These collections provide background into the history of life on Earth.

Equal mass cylinders of metals and nonmetals for density investigations.

Square column metal set for density and specific gravity studies.

Easy and clean.

Convenient one liter sized bottle.

Whole ammonite shells of mixed varieties with highly colored iridescent shells; fine quality. Average size: 1". Madagascar.

Create a Realistic Experience for Your Students.

This collection is useful for ecological as well as geological studies.

Kick start your composter.

Gather Samples with Ease.

Educators can conduct a comprehensive array of density experiments with the density/slope class set.

For Culture of Freshwater Forms

Use Water To Sculpt Life-Like Insects!

Rudiger quality individual bones.