Price: $54

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Here's a chance to own a piece of pop culture history. Back when the idea of walking around with your music was still a fantasy to most, Sony came out with the Walkman portable cassette player. Dreamt up and created by Sony's co-founders, the Walkman changed the way people listened to music. Fun fact: Before coming up with the Walkman name, Sony called the Walkman the "Soundabout".