"Wards"

Two cooperative models demonstrate both internal and external anatomical structures of the human eye.

Life size adult human dual sex torso model featuring an open back and 28 removable parts for in-depth anatomical studies.

Five part set to demonstrate the structure of a single water molecule.

Basic, high quality double contact key for electrical circuits.

Provides maximum volume with smallest footprint.

This sensors takes measurements from any angle.

This sensor measures acceleration with one or two photogates and shows the status pictorially.

Economical pulley for simple machine experiments.

Economical pulley for simple machine experiments.

This durable clamp is made of powder-coated steel.

This sensor measures AC/DC voltages easily and accurately.

Enlarged three times and sectioned longitudinally.

This hanging, human spinal column model provides an incredible amount of realism and detail for examining the human skeleton.

Shows four lobes of liver, peritoneum, gall bladder and vessels.

Easily determine turbidity.

Ammonites grew their shells from calcium carbonate and grew constantly throughout their life span. A relative of octopi and squids today, ammonites swam through the open ocean, preying on smaller marine animals.