"solar filter"

Get Superior Performance from Unobtrusive Devices

Complete Equipment for 5- to 10-Gallon Aquariums

Use this cone-shaped fine-mesh nylon net to let water pass while you filter out plankton.

This bivalve fossil replica looks like a shell you would find at the beach, but it is representative of an organism that lived millions of years ago.

Formalin Preserved

Clear examples of a key method of identification.

Activities to Examine the Appearance of Minerals

One culture containing brown, black and white planaria is useful for comparative study.

It's easy to grow plants

A genuine stone chondrite meteorite and a 150 million year old Sauropod bone fossil.