The 1976 Eaton TREASURE COLLECTION ROUND PUZZLE Curiosity Cat features a unique round shape with 500-749 pieces, making it a challenging and engaging puzzle for enthusiasts. With a colorful landscape theme and high-quality cardboard material, this vintage puzzle by Scheaffer Eaton offers a nostalgic and educational experience for puzzlers of all ages. Perfect for cat lovers or those interested in the works of Henry Thoreau, this sealed puzzle is sure to provide hours of entertainment and satisfaction upon completion.