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helix metal spring toy Cutting Mat den Sie bei der WertungGenerations of children and adults have loved playing with Slinky. This classic metal spring toy walks downstairs, alone or in pairs and makes a slink ity sound. First invented by mechanical engineer Richard James in 1943 during an experiment with tension coils. James accidentally dropped a spring on the floor and watched as it began to "walk." Two years later, he introduced his walking spring toy in Gimbels Department Store during Christmas and the