century ago. Today, grandchildren of the first ant colony owners are

　　watching ants working hard on the farm. Milton Levine was not

　　trained in the study of insects, also known as entomology. But he knew a lot about

　　ants, and he designed an appealing way to share his knowledge.

　　Mr.Levine began his career as a maker of unusual toys after World War Two. He had returned to his birthplace in Pittsburgh, Pennsylvania, after serving in the United States military. He got the idea for his future career from a business newsletter, which suggested that the best chances for jobs at the time were in toys. He decided to make toys. They understood that American society was about to change. The huge population increase known as the Baby Boom was beginning. There would be a huge demand for children's toys.

　　One day, he saw ants parading around a swimming pool.The sight made Mr.Levine remember how much he had liked watching and collecting ants as a boy on his uncle's farm. Those thoughts gave him the idea for the Uncle Milton Ant Farm.

　　Milton Levine developed a narrow, green plastic container. The top looked like a farm, showing a farmhouse, a barn, a bridge and a windmill. Under those images was a divider that separated the ants' underground and above­ground areas. Under that was the sand where people could watch the ants digging passageways.

　　The first Uncle Milton Ant Farms were an immediate success. They were sold in 1956.Two years later, two million of the educational toys had sold.

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