"3B torso model"

Engaging model depicting natural geological resources and man-made access points.

Sea floor model with labeled features, expert design, and vibrant details, perfect for teaching and exploring geological concepts.

Allow students to investigate the advantage behind different gear ratios.

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.

Explore properties of elements while building your own periodic table.

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

Captivating table-top volcano model with cutaway design, hand-painted details, and easy identification, ideal for teaching about volcanoes.

Watershed Nonpoint Source Model

Investigate human impacts on the environment while building your own models

This wooden machine is elegantly designed and easy for students to use. Study levers and mechanical advantage both qualitatively and quantitavely.

Intermediate-level rocket with laser-cut balsa fins and streamer recovery system.

This five-piece plastiic model is useful for illustrating the basic geologic concepts of folds and faults found in Earth’s crust.

The life-like Didactic Spine was cast from a natural spine.

This working model thermostat will demonstrate how differential expansion is used to control temperature. A bimetallic strip is used to open or close an electric circuit when temperature changes. The contacts will carry about three amperes. The unit can be operated with a 6 V lantern battery, low voltage power supply, or a blow dryer. Mounted on a metal base; approximately 15 cm high.

A basic introduction to DNA.

A fun tool to help teach water concepts.