Our Rocks + Minerals flashcards are 3.5"x 4.25" and come 6 to a page. Each card displays a different rock or mineral on the front and on the back, it has facts...
Our Rocks + Minerals flashcards are 3.5"x 4.25" and are printed on heavy-duty card stock. They come precut and are double-sided. Each card displays a different rock or mineral on the front...
