BRIO - Collapsing Bridge 3 piecesThe 33391 Collapsing Bridge is an exciting addition to any BRIO World train set. Build the bridge into your existing layouts and enjoy driving over and under the bridge. Use the two ascending wooden tracks to get up and over the bridge and the lower level track to pass under. Be careful though. If you press the red button, the bridge will quickly collapse, causing the train to fall to the canyon below. Then simply put the bridge back together and the