Bigjigs Rail Buffers (Pack of 6) are a great addition to any wooden railway set. Accidents can happen when a train runs off the end of a siding - even if it's a toy train. For safety's sake, young engineers will want to add these wooden buffers to every track layout. Pack of 6. Most other major wooden railway brands are compatible with Bigjigs Rail. Bigjigs products are made from high quality, responsibly sourced materials and conform to ASTM and CPSIA safety standards. Suitable for 3+ years. Pack contains 6 buffers.