"PARKWAY PLASTICS, INC."

Economical pulley for simple machine experiments.

Four gears of different sizes, perfect for any investigation or maker project.

Reusable slides for liquid or aquatic specimens.

Economical pulley for simple machine experiments.

Autoclavable, microwavable, and dishwasher safe.

Economical plastic test tubes.

Economical pulley for simple machine experiments.

Double burette clamp made of polypropylene plastic, suitable for 10 mm or 12.5 mm rods.

GLOBE®-certified ventilated lockable shelter for protecting valuable weather instruments.

Numbered inserts and a lockable lid make it easy to keep track of your classroom calculators.

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.

Plastic knifes, Plastic

Made from durable plastic, measures up to 7.75", metric graduations, ideal for student use in science and math classes.

A Good Optics Set for Demonstrations or First Experiments

The Plastic Luer Slip Micro Syringes work for chromatography, nuclear medicine, HPLC sample preparation, and many laboratory procedures.