"3B torso model"

This model of the HIV virus is enlarged millions of times to show the outer lipid membrane with protein structures and the internal nucleoproteins and contained RNA.

Students can use this structure to examine a corn stem in cross and longitudinal sections.

Explore properties of elements while building your own periodic table.

Basic apparatus for providing contact, power supply and support to a germanium crystal on a circuit board in experiments on the Hall effect or on conductivity. Includes an integrated, adjustable constant current source to provide the current through the sample, a measuring amplifier with offset compensation for Hall voltages and heating to raise the crystal to as high as 170 °C, also featuring temperature regulation and a switchable display showing Hall voltage, sample current, sample voltage or temperature.

A single use surgical simulator with a real tissue feel.

Using hema polymers, students create polymer cell models.

With the Atomic Structure Apparatus, a large manipulative helps students visualize atomic structure.

This wooden pendulum has a strong and sturdy construction ideal for classroom use.

Assortment of components for basic experiments in the area of electronics using a component plug-in board.

Developed specifically for scenario-based simulation.

Prepare designs easily without premature hardening.

Intermediate-level rocket with five fiberboard fins and a streamer recovery system.

Perfect for Debye-Sears Experiments.

Realistic bleeding control.

Highly accurate model of DNA structure.

This wooden machine has a sturdy wooden construction ideal for classroom use.