For this Crossing Workshop, we decided to develop a site on the east part of the canal as a children’s playground. The site is a square in front of a church, with a bus stop, some trees and benches, and restaurants that are used for the lunch break of the office workers, and it was already used by children sometimes after school hours. Inspired by their periodical and spontaneous activities (mainly football), we decided to propose more games for them but also for adults: checkers, ping pong or marelle. The element of play is used as a means to bring various members of the local community together, in a situation more informal and friendly. Moreover, it helped us break the ice with the inhabitants, the users and professionals of the neighbourhood, and motivate them. While the tools for the games where very basic and cheap (chalk, tape, a borrowed table, tree branches), they were very effective in managing to establish communication and trust between the actors, the organizing team and t