Unwrap the mystery Thomas & Friends? MINIS engine, place it in the cargo car, and send it racing along any TrackMaster? track set to create limitless railway adventures! Preschoolers can collect 'em, race 'em, trade 'em, and use their imaginations to create exciting adventures with these mystery MINIS train engines.

Inside each MINIS cargo car, you will find a mystery Engine! Collect them all!