"SILICO & chemical PORCELAIN SE"

Sterile, bulk packaged, natural colored 50 ml conical tubes.

This soft, absorbent paper cleans lenses and optical elements.

Also called density bottles or R.D. bottles, each has a perforated stopper (about 1 mm bore) and a ground mouth for proper fit. Made of Borosilicate glass. Uncalibrated.

Color set of four inoculating loops with brass handles and four colors.

Demonstrate Newton’s Laws and the conservation of energy and momentum with the amazing new Air Puck!

Ideal for Observing Large Insects.

An aquarium starter kit with room to personalize.

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.

Made from quality flint glass with tapered ends for secure fitting of rubber stoppers or corks.

How is the water that comes out of our faucets made safe for consumption?

This kit provides a series of “hands-on” activities that allow students to use key Earth Science concepts by conducting a mineral exploration that simulates real-life economic, societal, and issue oriented problems.

These metric/English wind-up tapes, made of impact resistant plastic and featuring fiberglass tape, were designed to meet the rigors of the classroom.

Explore STEM concepts while building a working Roller Coaster!

This borosilicate glass pipette has a large rubber bulb designed for easy and speedy transfer of liquids.

When working with particularly delicate specimens, the blunt tips of these straight scissors reduce the chance of tearing, damaging, or puncturing tissue adjacent to the cut. Stainless steel.

Bright red polypropylene bags include black biohazard symbol and precautionary procedures for added safety.