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23 Must-Have Toys from the 1950s and Beyond

Ash, Pikachu and Misty
Ash, Pikachu and Misty
Warner Bros. Pictures

Based on a Japanese toy called "Poketto Monstaa," Pokemon were tiny "pocket monsters" that battled each other when ordered by their "trainer." In 1996, Nintendo adapted the Japanese characters to promote its portable video game system, Game Boy. Pokemon trading cards and a television series were also wildly popular.