Ce trebuie să știi

"Teach your young children all there is to know about the minerals and rocks found beneath their feet, with this delightful set of 54 flashcards. Dig up the Earth and uncover the wonderful world of rocks and minerals with this collection of colorful, educational picture cards. From rough rocks to glistening gems and everything in between, children will love mastering the names and learning all of the must-know facts and figures – there will be no stone left unturned! These two-sided cards provide fascinating facts to improve children's understanding, simple questions to test their memory, and a pronunciation guide for each rock and mineral to help children develop their vocabulary and reading abilities." -- Amazon.com.