Chuggington 2012 Calendar. Join the wonderful world of Chuggington in this official Chuggington 2012 Calendar. Set in the fictional town of Chuggington, the popular kids TV series follows the adventures of three young trainee locomotives, Wilson, Brewster and Koko. Through these characters Kids learn the value of loyal friendship, telling the truth, listening carefully, persisting under adversity, resolving conflict and other important values. This 2012 Calendar features monthly illustrations of the Trainees from the latest series to take fans through 2012 and includes full sized calendar grids with ample room to add your own notes, appointments and anniversaries!