"The Mystery of Lyle and Louise"

Illustrates structures of the liver

Mixed genera. Also known as scuds, amphipods are freshwater crustaceans.

Cross section, quadruple stained

Heavyweight flex adhesive strip bandages are constructed from a super durable fabric weave.

These versatile spatulas have different tools on either end; choose the style best suited to your particular needs.

Weight Sets with hooks on both ends, available in brass or steel.

The metal under the pad allows for dependable detection.

Illustrate the Chemical Variety in Soil

Primer balances are the perfect scales for budding scientists.

This replacement high-concentration diamond wheel is six inches in diameter.

Set of nine brass hooked weights ranging from 10 to 1000 g, perfect for classroom or lab experiments. Supplied in a wooden block for easy storage.

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.

Innovative Features Designed Especially for Science Education.

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.