Brio World 33996 Container Crane Train Set Accessory for Ages 3 and UpManaging all the heavy shipping containers at the BRIO World dock is no problem with the Container Crane. Take a seat on top of this big, green, railway accessory and get to work. Grab one of the containers with the magnetic hook, then rotate and slide the large 360 crane into position above the tracks. Left a little, right a little. Perfect! Lower the wooden cargo into place using the winch and lock it in with the red lid before it drops perfectly