"PARKWAY PLASTICS, INC."

Disposable hand warmers - ideal for outdoor workers and those who engage in cold weather sporting activities.

Designed for consisent drop sizes.

This kit teaches the student how to determine the evolutionary closeness of organisms based on antigen-antibody blood analysis.
Immunological comparisions (homology) are perhaps the most fascinating of the five methods by which organisms are classified.

A bare copper wire of the highest quality. Available in several standard AWG sizes.

Explore STEM concepts while building different geared models!

Available as a table or slab-only.

Teach your students about gear ratios and different gear configurations and how these concepts are used to change the amount of applied force to an object.

Explore STEM concepts while building different vehicle models!

This clear, heavy molded flint glass mortar has pour out lip and heavy glass pestle.

A thin aluminum coating produces great sensitivity to electrostatic charges. Styrofoam pith-like balls measure 8 mm in diameter and each has a silk suspension cord.

Brilliant, colorful display of short and long wave fluorescent minerals will seize your students’ attention. Set contains six specimens, each 1" x 1" average size, stored in a partitioned box with key sheet.

Made of clear glass with thick uniform walls and a heavy, broad flange. Cover with molded knob is ground to fit the flange perfectly. Porcelain plates sold separately.

Dish is made of clear pressed glass. Cover is made of plain pressed glass and ground to fit. Size: 60mm Dia. x 29mm H.

These ungraduated pipettes are ideal for nonvolumetric transfer work and are made from heavy-duty flint glass.

Voltage: 1.30V Current: 0.10A Light Output: 0.03 MSCP Type: G3 1/2 Miniature Bulb Base Type: E10 Miniature Screw Base Life Hours: 50 Dimensions: 0.94" L x 0.463" D.

These double thick, glass plates have seamed edges and are useful in covering gas bottles, beakers, and other glassware.