The best way to spread Christmas cheer is seeing Rudolph eat carrots in your house for all to hear.
If your kids still believe in Santa (I mean, why wouldn't they?) then McDonald's has a little surprise in store and it's completely free.
Also it's got nothing to do with food.
Following the successful launch of the Reindeer Ready Live app a few years ago, Maccies has introduced the technology yet again.
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How to download McDonald's Reindeer Ready Live app?
First things first, you need to be an adult (18 or over) to use Reindeer Ready Live.
To access it, all you need to do is scan the QR code below.
Alternatively, the app is downloadable via the App Store on your device. For iPhone users, it's the Apple App Store and for Android users it's the Google Play Store.
Simply type 'Reindeer Ready Live' in the search bar and it should pop up.
Select download or install and once it's done, you'll need to give the app access to your camera for it to work.
How does McDonald's Reindeer Ready Live work?
Once you're all set up, all you need to do is open the camera through the app and follow the instructions.
When you point the camera at a desired location then a virtual reindeer will appear in your kitchen or living room, for example.
The app allows you to record videos, take pictures, and share them with your family and friends.
It works by using augmented reality (AR), and the app overlays the virtual reindeer into your real-world environment.
How long will McDonald's Reindeer Ready Live be available for?
The Reindeer Ready Live app was made available for download from 18 December and is there until Christmas Day.
Obviously Santa will need his reindeers back to deliver all our gifts in time for Xmas.
Back in 2017, Maccies introduced the Reindeer Ready Live app and it became an instant hit with families up and down the country.
"McDonald’s Reindeer Ready Live has made its long-anticipated comeback this year. Now in its seventh year, this much-loved tradition in homes across the UK helps families create unforgettable moments with just a tap of their smartphone," McDonald's said.
"Available now, parents can use the augmented reality tool to bring reindeer right into the comfort of their very own living room.
"Spread holiday cheer with your kids and watch as the reindeer enjoys its treats ahead of the big day.
"To make the festive season even more magical, parents can simply visit the Reindeer Ready website or the McDonald’s app, snap a photo of their home and let the Christmas magic unfold."
Anish Vij