The Weplay Connectors are used to link the Wavy Tactile Path and the Rainbow Rive Stone together. They can be used as the starting point or the turning point in the route. Each Rainbow River Stone requires 3 connectors in order to keep its balance when connected to the path. Components: 6 pcs./set. Dimensions: 7″ x 3″ x 2″. Ages: 3 years & up.