Mystery Mosaic Color by Number for Adults Colorful Challenges is a fresh and vibrant take on color-by-number books. It’s perfect for anyone who enjoys surprising pixel art, relaxing puzzles, and a fun creative escape. Inside, you’ll find: • 50 unique mystery mosaic designs that reveal bold and colorful pixel-style illustrations • Black backgrounds that make every color stand out beautifully • A relaxing and playful quest for puzzle-lovers and art fans alike • A mix of creativity and logic with an easy-to-follow color-by-number format • Portrait pages (8.5 x 11 inches) ideal for bold, detailed artwork • Simple color guides — no guesswork, just color and enjoy! • QR code that gives you instant access to all 50 pixel art solutions Whether you're coloring for fun, focus, or pure enjoyment, this book brings color and curiosity together on every page.