"The Mystery of Lyle and Louise"

At approximately three times life-size with four removable parts, this model offers a comprehensive view of the human ear. It has representations of the outer, middle and inner ear, featuring a removable eardrum with hammer, anvil and stirrup.

Use as a starter kit or a refill.

Soft and pliable bandages provide maximum cushioning.

The metal under the pad allows for dependable detection.

Colorful Images Of Living Organisms

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.

Complete Life Cycle of This Commonly Studied Fly

Solid, black stoppers contain a high percentage of pure rubber and weigh less than neoprene.

This hole punch has adjustable hole positions with accuracy and durability.

Harvard Trip balances are two-pan balances designed for comparative weighing.

Dress up your classroom or school foyer.

Premium line of glass lenses designed specifically for Universities.

Stainless steel hooked weights set with a capacity of 1000 g. Ideal for classroom or lab experiments.

Use as a starter kit or a refill.

Members of the Pelomyxa genus look very much like Amoeba. Pelomyxa, however, have many nuclei, whereas Amoeba have only one.

Planaria are a flatworm commonly used in science fair projects. They do not bite and move very slowly, making them easy for young students to observe.