Bigjigs Rail 4 Way Turntable - Other Major Wooden Rail Brands are Compatible The Bigjigs Rail 4 Way Turntable allows trains to change direction easily, and go in any of 4 different ways! For the most dedicated young network managers, this accessory is an essential! Most other major wooden railway brands are compatible with Bigjigs Rail. Suitable for ages 3+ years. Made from high quality, responsibly sourced materials.