蚂蚁家的故事
Background StoryThe first such toy product was invented around 1929 and patented in 1931 by Frank Eugene Austin, an inventor and professor at the Thayer School of Engineering at Dartmouth College. Until 1956, Uncle Milton Industries, Inc. in Westlake Village, California, made the best-known ant educational toy, named "Ant Farm" and retailing for $2.98. ......
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