"PARKWAY PLASTICS, INC."

Extra-large size for a variety of applications.

Smooth-running ball-bearing clamp pulley for use with inclined planes, force experiments, or demonstrations of work and machines, this durable, lightweight plastic pulley fastens to surfaces up to 18 mm thick.

Great for high school dissection applications.

These blank microscope slides provide unsurpassed quality and value. Explore slidemaking with this starter pack.

Ideal for Collecting Outdoor Samples.

Most popular beaker sizes in one convenient set.

Translucent polypropylene measuring jug with short form (Euro design), raised graduations, tapered spout, and handle.

Durable plastic jumbo test tubes made from PET.

Compact microcentrifuge tube racks to keep you and your samples organized.

Plastic, tubular Newton spring balances. Dual scale labeled, perfect for classroom or laboratory use, physics experiments and demonstrations.

This adjustable, re-usable plastic tape dispenser accommodates tapes with 1" or 3" cores and widths of 1/2", 3/4", or 1" wide tapes.

Perfect for a variety of small applications, the bright yellow tape retracts neatly into a compact, high-impact plastic case.

The durable plastic construction and bright colors of the Basic Ear Model encourages hands-on learning.

These lightweight and durable polypropylene stoppers are acid proof and autoclavable.

All filled with safe red alcohol, white-backed, total immersion, 6" (153 mm) long, in blue plastic holder.

Made of white hog bristles mounted on a preformed durable plastic handle which adapts itself to the curvature of the flask.