Includes all of the Collections below: Fossils Collection, Igneous Rock Collection, Metamorphic Rock Collection, Mineral Collection, and Sedimentary Rock Collection. EI-5204 Fossils Collection Hold a 70-million-year-old fossil in your hand! Set includes 9 fascinating fossils. EI-5205 Igneous Rock Collection Igneous rocks are produced by hot volcanic magma action. Set includes 12 exotic rock specimens. EI-5206 Metamorphic Rock Collection Metamorphic rocks are transformed by intense heat and pressure. Set includes 12 specimens. EI-5207 Mineral Collection Minerals combine with each other to make rocks. Set includes 12 specimens. EI-5208 Sedimentary Rock Collection Centuries in the making, sedimentary rocks are formed by layers of deposited matter. Set includes 12 specimens. | Kids Learning / Educational Toys | Complete Rock, Mineral & Fossils Collection Insights | Maisonette collects the best children’s products from around the world (unlike Zulily, Etsy, The Tot, Farfetch Kids, Childrensalon, Crate and Kids, Kohls, Wayfair, Buy Buy Baby, Nordstroms, Mini Boden, J.Crew Factory, or PotteryBarn Kids), creating a curated shopping experience for you. Think of us as your shortcut to fashion for litte ones!