Bigjigs Rail Barrel Drop - Other Major Wooden Rail Brands are Compatible Transport your barrels ashore via the decorative barrel drop and boat. Bring the pirate carriage up above the shark infested waters & load the barrel into the drop. Once the barrel is in position, use the ship's wheel to lower the hammer & knock the barrel through the drop into the boat! Most other major wooden railway brands are compatible with Bigjigs Rail. A fun addition to any wooden train set.