When Roxanne plants some tulips, she finds a very old rock. Soon everyone in Benson hears about the rock and lots of people want it. Join Roxanne, Opal, and Crystal as they find out more about the strange rock and decide what to do.
We wear them and we build things with them. We use them to pay for things. We even eat some of them! They are the world beneath our feet- they are rocks and minerals!.
