Fisher-Price Thomas & Friends TrackMaster, Over-Under Tidmouth Bridge Track pieces connect to other TrackMaster train sets and expansion packs (sold separately) Adds elevation and over-under play to any TrackMaster motorized railway Compatible with Thomas & Friends TrackMaster motorized toy trains (sold separately) Perfect addition to the expandable, connectable, motorized Thomas & Friends TrackMaster world As kids use their imaginations to build a world of adventure, they can create thrilling journeys for their favorite Thomas and Friends characters