Behind big doors in the santahouse you will find the Workshop.  In here everthing seems to move.  Presents are made in the toymakingmachine and there are gifts and paper everywhere.  The toymakers, and the elves makes all the toys the can to get ready for the big night.  Santa controls and check that the quality is good enough. He also check out if you have been nauty or nice. If you click on the red present on top you can peek into the workshop.