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Earlier this week, Hilary Duff took to Instagram to share the parenting hack we never knew we needed. 

On Sunday, the Lizzie McGuire actress shared an Instagram story that bragged showed how Elf Flex is elevating her Elf on the Shelf skills this year. And you guys, this thing is genius. Elf Flex is a special kit that allows you to turn your Elf on the Shelf into a totally flexible and bendable Christmas character—which means

All you have to do is use the included sewing tools to insert wire pieces into the toy's arms and legs and *boom* your Elf can now bend at the elbows and knees. The kit also includes velcro and magnets, so that you can pose your Elf hanging onto the mantel, or climbing up the banister. The kids will love it, and you might actually have fun thinking up clever places to hide the Christmas helper this year. 

"I was able to give my daughter's Elf, Michael, a complete and total body makeover with this kit. He was acting like a complete fool all over the house and made the holidays much more fun," one happy mom says. "This has upped my Elf game to almost Pinterest standard!" raves another. 

We can't wait to see what funny ideas Duff comes up with for Luca and Banks' Elf this holiday season. 

ELF Flex Elf Upgrade Kit

This kit includes everything you need to give your Elf on the Shelf a serious upgrade. 

$15 at Amazon


The Elf on the Shelf: A Christmas Tradition

If you haven't invested in your own Elf yet, what are you doing? The kids love 'em and they're a great way to encourage good behavior. Just tell them the Elf sees all and will report any naughty behavior back to Santa. Oh, and it also makes for a really cute annual tradition.

$30 at Amazon

RELATED: Busy Phillipps's 4 Foolproof Elf on the Shelf Hacks

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