The  Sibley Backyard Birds Matching Game works your memory with 40 pieces, featuring 20 backyard birds, including blue jays, sparrows, and hummingbirds. These Beautiful hand-painted illustrations are designed to help young and old to remember and learn more about our bird species. 

• Play strengthens focus, concentration, and memory skills
• Builds hand-eye coordination and dexterity
• Includes 40 sturdy 2 3/8" x 2 3/8" square cards with rounded corners