Thomas & Friends: Night Works - 100 Piece Puzzle Glow-in-the-Dark This 100 piece Glow in the dark puzzle is a familiar character that kids will associate with Promotes cooperative as well as independent play Ravensburger puzzles are made in Germany from the highest quality and thickest green Kappa cardboard available Pieces have a nice matted finish which makes them easy to see and handle Builds small motor skills, picture recognition, and task completion