Orbrium 2X Pack of 8, 16 Pcs Toys Male-Male Female-Female Wooden Train Track Adapters Fits Thomas The Tank Engine, Brio Chuggington Adapter Contents: 2 packs of original 8-pcs set provide 8x MM and 8x FF Adapter Tracks, total 16 pcs Fits all major wooden train play systems Beautifully crafted with solid Beech wood Conforms to the safety requirements of ASTM F963 and CPSIA