CP Toys Photo Pocket Foam Stacking Blocks - Set of 4 Colorful Blocks with 24 Vinyl Photo Pockets to Personalize - Ages 12 Months+ PERSONALIZED BLOCKS - stacking builds fine motor skills, spatial reasoning, and other developmental skills. Add a personal touch to your baby's first set of stacking blocks with this set of 4 photo PHOTO POCKETS - each block features a clear vinyl pocket on each side. Customize them with pictures of family, friends, or pets to enhance your baby's learning experience SAFE FOR BABY - these blocks are lightweight and safe for little ones ages 12 months and up. They are made from cloth-covered foam EASY CLEAN - these stacking blocks are easy clean and surface washable - simply wipe them down with a damp cloth SPECIFICATIONS - includes 4 blocks, in blue, green, red, and yellow. Each block holds 6 photos and measures 4.25" x 4.25" x 4.25".