DEVELOPMENTAL AND EDUCATIONAL: Sharpens recognition, concentration and memory skills. 10 pairs to match. Sturdy and thick tiles are 3.25 x 3.25 inches with scalloped edges. For ages 3 and up SCREEN-FREE FUN: For over 25 years, eeBoo has created wholesome, educational games and activities that cultivate conversation, socialization, and skill-building while introducing our world. SUSTAINABLY SOURCED: 90% recycled materials, printed with vegetable-based inks.