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Marine, Macroalga, Multicellular; membranous thallus. Collected. Characterized by green plastids and cell walls composed of cellulose.

Freshwater. Filamentous. Basic culture solution.

Characterized by reddish plastids (rhodoplasts).

Marine. Filamentous; polysiphonious construction. Collected.

Characterized by reddish plastids (rhodoplasts).

Isolated from human urinary tract and wound infections, this organism is identifiable by its characteristic putrefactive odor. 

Use this cone-shaped fine-mesh nylon net to let water pass while you filter out plankton.

Choice intergrown crystal groups, many with striated pyritohedral crystal faces. Perfect for classroom study. Average size: 1" x 1". Peru.

This acrylic embeded set shows the different developmental stages of a frog. Size: 2" x 3" each.

Preserved squid dissection in resin material.

Preserved black scorpion in resin material.

This large bovine heart is ideal for demonstrations. Weight: approximately 5 lbs.

Crime-scene science in the classroom.

Soil formation presented in a classroom exhibit.

Camerate crinoid crown and stem.

Complete, including elongated fingers used to support the wing membrane. Resin. Germany.

This remarkable resin cast features one of the most complete examples of a near contemporary of Archaeopteryx. Recently found in Liaoning Province in China, this fossil bird displays the earliest evidence of truly beaked birds with clear body contour feathers.

Replica of the famous “chicken–size” dinosaur skeleton.