Tellurium, Cesium, Dysprosium, Thallium - samples of the some of the rarest of the rare elements on Earth.

­ Ever want to hit something really, really hard? Scientists do this with atomic particles at near light speeds every day in machines called colliders. It is one way to explore the heavy and rare elements of the periodic table. Explore some of the most exotic elements, such as Scandium, Tellurium, Cesium, Dysprosium, and Thallium in this 8-specimen collection.

Presented in a 5 by 7.5 inch snap-close plastic display case with an in-depth, 4-page information packet.