Did you know that rocks are sorted into three main groups? These groups are called igneous, sedimentary, and metamorphic. Discover more interesting facts about this material in Rock, a part of the Everyday Materials series. Each title, which has been developed for children ages 5 to 7, explores the properties and uses of a different material
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Hinweis: Dieser Artikel kann nur an eine deutsche Lieferadresse ausgeliefert werden.