Orbrium Toys Unpainted Wooden Train Cars Compatible with Thomas, Chuggington, Brio, Pack of 4, Great for Party These are special train cars purposely left unpainted for your little engineers to exercise their imagination. They can be painted, put stickers on them, and they can even be personalized with names. Compatible with all major Wooden Train Play System like Thomas, Brio, Chuggington, Melissa & Doug, Brio, and etc. Fully assembled with magnets to pull other train cars. Pack of 4: Engine, Caboose, Coach, and Hopper Car. Great for Party and School Activities.