These kids puzzle mats can be used to build colourful boxes, structures, or a soft play area. Great for developing a child's aptitude, creativity, and social play. Number puzzle mats have colourful, removable, cut-out numbers to challenge children. They are waterproof and easy to clean. Small enough to fit anywhere, these connecting mats are easy to disassemble for moving and storage. One set contains upper case letters from A to Z and numbers 0 to 9 totalling 36 tiles at 30cm x 30cm x 1cm each (creates a floor size of a little more than 3m²).