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"PARKWAY PLASTICS, INC."

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Clear Cylindrical Lenses for Ray Optics

Clear Cylindrical Lenses for Ray Optics

Ideal selection for use with a ray box.

 
 
Boomwhackers Tuned Percussion Tubes

Boomwhackers Tuned Percussion Tubes

Boomwackers are brighly colored plastic tubes tuned by length to musical notes.

 
 
Tandem Pulleys

Tandem Pulleys

Liquidation

High Quality and Economical

 
 
Equal Volume Density Cube Sets

Equal Volume Density Cube Sets

High quality density cubes for the classroom.

 
 
Diffraction Grating Glasses

Diffraction Grating Glasses

These glasses make the study of light and color fun and easy.

 
 
Eisco® Economy Wimshurst Machine

Eisco® Economy Wimshurst Machine

The durable Wilmshurst Machine is made for years of use.

 
 
Digital Stroboscope with Flash Rate Display

Digital Stroboscope with Flash Rate Display

An economical digital stroboscope.

 
 
Plastic Spring Wave

Plastic Spring Wave

Observe phase reversal at the fixed end of wave pulses with this spring used to test waves in fundamental and multiple vibrations.

 
 
Eisco® Large Plastic Dynamics Cart

Eisco® Large Plastic Dynamics Cart

With the Large Plastic Dynamics Cart, students can explore the changes in motion that occur in a dynamics cart when different amounts of net force are applied.

 
 
Electromagnet Kit

Electromagnet Kit

Liquidation

Reliable kit in a quality carrying case!

 
 
Metal Madgeburg Hemispheres

Metal Madgeburg Hemispheres

Hands on demomstration showing the power of a vacuum.

 
 
Gram Centimeter Plastic Cubes

Gram Centimeter Plastic Cubes

Gram Centimeter Plastic Cubes

 
 
Pulley

Pulley

Smooth running pulley for investigating mechanical advantage.

 
 
Aluminum Coated Pith-Like Balls

Aluminum Coated Pith-Like Balls

A thin aluminum coating produces great sensitivity to electrostatic charges. Styrofoam pith-like balls measure 8 mm in diameter and each has a silk suspension cord.

 
 
Student Magnetic Field Demonstrator
 
 
Student Double-Wall Calorimeter

Student Double-Wall Calorimeter

The Student Double-Wall Calorimeter is an inexpensive necessity for your experiments.