Ravensburger Thomas & Friends Night Work Glow-in-The-Dark 60 Piece Jigsaw Puzzle for Kids &ndash; Every Piece is Unique, Pieces Fit Together Perfectly 60 pc Glow-in-the-Dark Puzzle Puzzle Size: 28 x 19 x 4 cm Puzzles help support a child's development as they play While piecing together various shapes and sizes to discover a bigger picture, a child develops concentration and creativity