"PARKWAY PLASTICS, INC."

Extremely Thin Plastic Embedded Tissue For Greater Viewing Clarity

Extremely Thin Plastic Embedded Tissue For Greater Viewing Clarity.

This sturdy plastic 473 mL (16 oz.) jar has absolutely straight sides, making it ideal for storing bulky materials.

Transparent general-use plastic bags.

Plastic disc to demonstrate rotational energy.

Much Stronger Than Plastic Clamps

This package of plastic pulleys contains 25 each of 20, 30 and 40 mm diameter pulleys with 3.2 mm bores and one 10 mm pulley with a push fit to a 2 mm motor shaft.

Neatly fits into bottles as small as 1 oz.

Reusable slides for liquid or aquatic specimens.

Great for Early Learning about Temperature Scales

Translucent cups for general storage with lids.

Spare color filter set to be used with Light Box and Optical Set.

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

Shelves are constructed of chemically-resistant polyethylene and corner posts of ABS plastic.

Standard Sized Slides with Less Injury Potential

Economical pulley for simple machine experiments.