About K'Robics & Koen D'Hous A booking can be changed up to 24 hours before the start of the class. Email planeetmars.gent@gmail.com stating both dates you wish to swap. First check on Ledenbeheer whether you are indeed registered for the date you wish to change and whether K'Robics is actually taking place on the date you wish to switch to. New dancers, watch this video with subtitles. FACEBOOK INSTAGRAM LINKEDIN YOUTUBE Discount via UiTPAS , you can enter this during registration. See you on the dance floor.