The perfect way of improving mental agility, and problem-solving skills! - 2 puzzles per page; - 160 15x11 total puzzles; - Great for kids, adults & seniors; - Hours of mind-sharpening fun; - Solutions included at the end; - Perfect size, 8.5” x 11” (22 x 28 cm); - Flexible premium paperback; - Printed on high-quality white paper; A great way for relaxing, stress relief and having fun!