It's Christmas Eve, which means one thing for children. Father Christmas is on his way, and he's bringing presents.
The annual NORAD tracker has just launched so little ones can keep up to date with his travels. It's a busy night for Mr Claus, as it's estimated he travels 510,000,000 km - approximately 1,800 miles per second.
Tonight, families will leave out mince pies and a glass of sherry or milk for him to enjoy as he visits houses around the world. Carrot sticks will be left out for his reindeer Rudolph, Dasher, Dancer, Prancer, Vixen, Comet, Cupid, Donner and Blitzen.
