Ages 8 and up
40 page science book with materials
Manipulate the oldest objects on the planet -- rocks.
Discover just how old is OLD.
* Identify, break and display volcanic rocks
* Erupt your own volcano
* Layer your own sedimentary rocks
* Acid test rocks - dissolve and fizz
* Test minerals for hardness
* Explore the age map of surface rocks around the world
Discover how the earth's amazing history is written in rocks.