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IDAHO FALLS, ID (CNN) -- An Idaho man has come up with a way to make bedtime reading fun for parents and kids. He has created what he calls "Smart PJ's."

Juan Murdoch says, "It's a new spin on pajamas. Pajamas have been around for thousands of years and this is something new."

Murdoch isn't a full-time inventor, he's a local realtor. So when the idea of a pajama that entices kids to hear a bedtime story or a lullaby popped in his head; he says he just ran with it. He says, "I don't know if it was the dad in me. I've got six kids. My wife and I have six kids and so I know how important a bedtime story is."

The dots on the pajamas aren't just for design, they're actually QR codes that phones can scan through the free "Smart PJ's " app.

Altogether, each pair of pajamas has close to 50 different codes that will work on all apple and android products. Murdoch says, "So then what you do is you just go down and take a picture of one of the dot groups. Make sure you only get one. Hit save."

Then your smartphone or tablet reads the book, sings the lullaby, or gives you interesting facts about different animals...depending on the code. Murdoch says, "It makes me proud. I'm a local. I've been raised and have lived here all of my life. And-so it's kind cool to be able to bring that technology and something unique to Idaho."

Murdoch said he's been selling these Smart PJ's for about three months and sells about a hundred pairs each month.
He said they're 100 percent cotton and the codes won't fade when you wash them.

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