Quality Montessori Materials for Toddler,
Primary and Elementary Environments.
E&O Montessori USA.
A pack of pocket-sized cards to help identify 100 rocks and minerals that can be found beneath every young geologist’s feet. On each side of each card, there is a photograph of a rock or mineral, with facts and information on how they formed. With internet links to fun websites with photo galleries, games and more information.