"PARKWAY PLASTICS, INC."

Pulley set to expand your TeacherGeek ideas.

Easy to use substrate.

Attractive Bottom Cover Enhances Natural Filtration and Nitrogen Cycling. Gravel contains no lead or chrome and won’t change the pH or chemistry of the tank. Pebble sizes up to ¹/₄" diameter.

This one pound bag of #16 rubber bands make perfect belts for pulley driven mechanisms.

Better than gummed labels, these pressure-sensitive labels adhere securely, yet can be easily removed.

Rotifers are well adapted to adverse conditions; when dry, the eggs remain viable for years.

You can own one of the oldest and rarest meteorites of lunar origin.

Dilute quantities to any volume as needed.

ProPette™ features an ergonomic body design, with computer-balanced weight distribution and low pressure fingertip control buttons that combine to provide a more comfortable pipetting experience.

Vanessa cardui Butterflies form chrysalides and transform into colorful butterflies right before your eyes.

Use for prodding, piercing and penetrating. Stainless steel with curved tip.

Perfect for elementary students with small faces.

Disposable pillowcases are a convenient and sanitary option.

Make the study of light and color fun and easy

Empty round metal cans with or without lids in a variety of sizes.

Quantity: 1 lb.