"role ENTERPRISES, INC."

Teach students how crystals form in nature.

Wack n' Crack Geodes features geodes filled with crystals just waiting to be cracked open.

Recreate the spectacular sight of an erupting volcano with this kit, developed by a Smithsonian Volcanologist.

Kids chip away at the plaster fossil block to reveal the rocks and minerals.

Illustrate how soils are formed from parent rocks and minerals.

Ten unique hands-on activities for students to learn fundermanetal earth science concepts and skills.