digital

Hi to all ! I am not really a train hobbyist but I have a Digital Start-Set ICE 3 by Piko. http://www.piko.de/produkt_db/check.php?page=detail&grand_id=3&parent_id=2&child_id=0&id=57195 This set was running OK, until a few days ago , my kid was playing with it and it stopped. Since then I can`t...