Fisher-Price Thomas & Friends TrackMaster, Glowing Track Pack Includes 15 pieces of glow-in-the-dark TrackMaster track Expose the track pieces to light, then watch them glow in the dark Compatible with Fisher-Price Thomas & Friends TrackMaster motorized toy trains (sold separately and subject to availability) Connect to other TrackMaster track packs, expansion packs, and train sets (sold separately and subject to availability) to build a bigger motorized railway A great gift for any Thomas & Friends fan