Bigjigs Toys BJ744 Tray Puzzle Tractor The busy farmyard scene will make Bigjigs Toys Tray Puzzle Tractor a favorite with your preschooler The illustration is printed on the sturdy wooden base, to help children place each jigsaw pieces in just the right spot Quality silkscreened wooden puzzle conforms to ASTM/CPSIA safety standards Working with puzzles helps children develop dexterity, concentration and problem solving skills 24-piece puzzle measures 12.6'' x 16.5'', suitable for children 3 and over