"PARKWAY PLASTICS, INC."

Everything You Need to Demonstrate Optical Principles

The Speed of a Bubble Set connects the mathematical concept of slope to the physical science concept of velocity.

Bigger design for easy connections.

3' Fiber optic element, easily demonstrates the bending of light through the fiber optic wire. An inexpensive way to introduce students to fiber optics specifically the use of fiber optics for visual applications.

Drilled balls are used for pendulum bobs or impact experiments, while our other balls are suitable for collision apparatus and density/volume experiments.

Designed for use with general purpose oscilloscopes.

This aluminum tuning fork has sliding weights on each tine.

This set is economical, durable, and versatile.

Even frequencies make harmonic relationships clear and calculations easier.

A handy addition to your optical bench, this light source features a 7.5 watt incandescent lamp plus a cord and plug for connection to 110 VAC power source.

Explore a full range of motion with the advanced hydraulic arm

Identify All Three Classes of Levers and Their Key Parts

Investigate and experiment with 7 functioning Wheel & Axle and Inclined Plane models designed to demonstrate science and technology concepts.

Students can determine, through investigation, if the machine multiplies the force it applies to the resistance (load), if the machine changes the direction of the force they apply, and more.

The Bare Nichrome Wire can handle temperatures of up to 1010°C (1850°F).

The Lenz's Law Kit investigates how much force an induced magnetic field can create.

Perfect compliment for a ray box.