e sorting trays! Sort pieces by color, shape, or theme, and never worry that you'll lose a stray piece. - 6 sturdy plastic trays - Fun puzzle piece shape - Trays can be linked - Stackable for easy storage - Trays measure 7.48" square x 3.9" deep (190 mm square x 100 mm deep) - Box measures 7.5" wide x 7.5" high x 4" deep (19 cm wide x 19 cm high x 10.2 cm deep)