With an estimated net worth of $17 billion, Microsoft cofounder Paul Allen can afford to buy himself some fancy toys.
But with interests that range from electric guitars to World War II aircraft, Allen takes expensive hobbies to a whole new level.
We've rounded up some of the billionaire's most ridiculous toys, from submarines to professional sports teams.
Allen loves rock 'n' roll. An expert guitarist, he pays a band to travel with him so he can jam whenever he wants. He owns a number of valuable guitars, including some previously used by Woody Guthrie and Jimi Hendrix.

Source: 60 Minutes
In May, Allen showed off his skills at a celebrity-packed party he threw on his 414-foot yacht, "Octopus."

Source: Business Insider
Octopus is truly one-of-a-kind, decked out with two helicopter landing pads and its own submarine. Allen has sailed to Antarctica, Europe, and other exotic destinations. "During the day we explore, and at night we jam," he told "60 Minutes" in 2011.

Source: 60 Minutes
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