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This acrylic embeded set shows the different developmental stages of a frog. Size: 2" x 3" each.

Preserved squid dissection in resin material.

Preserved black scorpion in resin material.

This large bovine heart is ideal for demonstrations. Weight: approximately 5 lbs.

Crime-scene science in the classroom.

Soil formation presented in a classroom exhibit.

Camerate crinoid crown and stem.

Complete, including elongated fingers used to support the wing membrane. Resin. Germany.

This remarkable resin cast features one of the most complete examples of a near contemporary of Archaeopteryx. Recently found in Liaoning Province in China, this fossil bird displays the earliest evidence of truly beaked birds with clear body contour feathers.

Replica of the famous “chicken–size” dinosaur skeleton.

Bony fish first evolved during the Paleozoic era, over 400 million years ago. This fossil replica represents a mold of a ray-finned fish that died and was buried in the ocean.

Explore the diversity of lichens with this collection of nine specimens showing the three most common forms of lichen growth.

All specimens listed below are included in individual jars with each set. Guide included with each set.

Formaldehyde-free pig hearts, available in vacuum packs.

An excellent specimen used to demonstrate the insect body structure.

1 pound of black sand packaged in a heat-sealed bag.