These interlocking puzzle type floor mats are perfect for your kids to learn, and have fun with the alphabets at the same time! Each tile piece is interlocking and each letter can be punched out for kids enjoyment! This is more than a floor mat, it's a learning device and keeps floor safe for your child! There are 36 blocks altogether measuring each and every piece is interlocking. Comes with each letter of the alphabet and numbers as well!