"Freeze-Dried Specimens"

Easily compare the different types of structures in a variety of small freshwater crustaceans with this convenient freshwater culture mix.

Black Planaria are a flatworm commonly used in science fair projects. They do not bite and move very slowly, making them easy for young students to observe.

Hypsibius sp. The water bear is a complex animal representing the unusual phylum of Tardigrades, which contains about 400 marine, terrestrial, and freshwater species.

The marine hermit crab is a scavenger and preys on small animals.

This unusual-looking Echinoderm, a small ball-shaped organism, displays radial symmetry. It moves via tube feet.

Crayfish are a mixture of Orconectes immunis and Orconectes virilis.

Brachydanio rerio.

The nocturnal hermit crab uses “borrowed” shells to protect its relatively soft body, changing shells as it grows larger.

Choose from 2 popular sets of Tetras for your fish tank.

Related to the starfish, but easier to maintain, the serpent star features a central disc and five very flexible arms.