"power+supply"

May be used as three countdown timers, three stopwatches or any combination of up/down timing.

A unique manufacturing process makes these models exceptionally lifelike. All feature a durable, yet flexible, rubberized material applied over molded plastic bone structures allowing for flexion and extension, inner and outer rotation, adduction and abduction, and other realistic movements of the joints.

Have Everything You Need Right At Your Fingertips.

What is that Element?

High-capacity cabinets offer increased storage in environments with limited floor space.

Learn about urinalysis, one of the oldest medical diagnostic tests performed.

Classrooms can gain an extensive understanding of water quality through measurement of ten parameters.

Map taste locations on the tongue.

The 1.9 cm (³/₄") LCD readout counts down or up to 9 hours, 59 minutes, 59 seconds, or displays time of day in a.m./p.m.

Sleek, multipurpose pH meter with smart electrode recognition and easy calibration.

Use the CRISPR/Cas9 system in vitro to cut DNA in a tube and analyze the results with gel electrophoresis.

These robust and engaging kits are designed as a resource for the teaching of introductory electricity.

Study the environment and the effect humans have on nature through actual field study.

Make your own Slides with these High Grade Glass Slides

Explore the tissues and structures that allow you to breathe.

Students contrast meiosis with mitosis.