Toddler Alphabet Blocks Kit of 26. This set of 26 carpet squares is designed as a supplement for the Toddler Alphabet Blocks Rug. The Toddler Alphabet Blocks Rug features A to Z Squares that provides the perfect place for children to sit and learn their alphabet and enjoy educational matching fun. Available in Primary and Nature colors.14" x 14" Squares. Antimicrobial Treatment. Carpet Stain Protection. Patented Backing Technology - prevents wrinkling and creasing. Lifetime Abrasive Wear Warranty. Proudly made in the U.S.A.