Which of these is not a real business?

Which of these is not a real business?

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Weird Of The Week: This is part of a series of articles that looks at some of the most bizarre and niche business ideas we see here at Springwise.

It’s April Fools’ Day. While many are busy taking preventative measures to avoid office pranks, we have put together a list of the best Weird of the Week business ideas from the Springwise database — innovations that should be April Fools, but are actually real. But there’s one hidden in the lineup that’s actually not a real product or business. Can you guess which?

1 Intravaginal speaker plays music for unborn babies

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