ROCK ON! Geology Game with Rock & Mineral Collection – Collect and Learn with STEM-based Educational Science Kit in Carrying Case - Amethyst, Rhodonite, Selenite Crystal, Sodalite and lots more LEARN: teacher-recommended, science game kit offers STEM-based, hands-on learning while exploring Earth’s geological treasures COLLECT: rock and mineral collection includes nice-size specimens plus polished, rock and mineral pieces with identification guides PLAY: 5 levels of play for up to 6 players in an educational, Geology science game offer fun, challenge and knowledge for pre-readers through elementary school-age and beyond SMILE: connect with our magnificent Earth and foster a love of nature - playtime, family-night, birthday parties, school or camp activity. QUALITY: nice rock collection and durable print pieces that are made to last. All packaged in a Grab and Go, easy grip handle, carrying case and proudly MADE IN USA. This is a quality product that we completely guarantee.