Discover Marckolsheim and its surroundings with your family, at your own pace and have fun! This fun bike ride will take you through the streets and forest of Ried, on a discovery trail punctuated with puzzles. Be curious, observer, and collect the different clues that will solve an enigma! Game book available at the tourist office, or download directly here. Course adapted in three versions for children from 4 to 12 years ... and for the whole family!