Yes Yes I know, yet there is another Christmas challenge on the market that you propably already signed up and "smashing" daily or do you? :) This is a fun and exciting challenge that caters to everyone's personal level of difficulty. It includes super easy days as well as some more difficult days. If you are my personal training or monthly app member, then refer to daily challenges on "ArnieXtudio Personal Training" app on your phone.
You can also join this program via the mobile app.