Bigjigs Toys BJ742 Tray Puzzle Fire Engine Bigjigs Toys Tray Puzzle - Fire Engine features plenty of characters and activities to discover and talk about Children can work the puzzle on the floor or in its own wooden tray Playing with this jigsaw puzzle will help children develop word recognition, dexterity, concentration, and problem solving skills 24-piece puzzle measures 12.6'' x 16.5'' silk-screened on wood; puzzle conforms to ASTM and CPSIA safety standards