Bigjigs Rail BJT161 Buffers (Pack of 6) Bigjigs Rail Buffers (Pack of 6) are a wonderful addition to any wooden railway track layout The buffers prevent your wooden trains from accidentally running off the siding Made from responsibly sourced rubber wood Most wooden railway sets are compatible with Bigjigs Rail, making Bigjigs the perfect choice for starting or extending your collection Bigjigs Rail is suitable for children ages 3 and over, and conforms to ASTM and CPSIA safety standards