Optical Illusions is a bold and unique coloring book that will challenge your perception and creativity. With its high-contrast black-and-white images, this book takes coloring to the next level, allowing you to add your own personal touch to a collection of mind-bending optical illusions. Each page features intricate designs that will keep you engaged and entertained as you bring them to life with color. Whether you’re a seasoned coloring enthusiast or just looking for a fun and challenging activity, Optical Illusions is sure to provide hours of enjoyment. So grab your favorite coloring tools and get ready to test your skills with this exciting and captivating book.

• 30 images of bold black-and-white images
• Large format 8.5″ x 11.0″ (22 x 28cm) pages for detailed and realistic coloring
• Printed single-sided on bright white paper
• Excellent for all skill levels, boost your creativity and unwind with this relaxing activity
• Whether a beginner or an experienced colorer, these illustrations boost your creativity and help you unwind
• An ideal gift for yourself or your friends who need hours of mindfulness, tranquility, and relaxation