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║ Optical illusion coloring book ║ ▪︎ This wonderful coloring book is for all ages features over 50 complicated optical illustrations. It's the perfect way to unleash your inner artist and your creativity. ▪︎ Excellent Optical illusions coloring book gift for birthdays, Thanksgiving and other special occasions. ▪︎ Perfect for Beginner Artists Optical Illusions coloring book will help you create stunning optical illusions to trick your brain and tease your senses. ✯ About the book: Each image is printed individually. Face Different difficulty levels. 100 pages. Complexity Large format: 8.5 x 11 inches Large for all difficulty levels Different designs and patterns. Don't forget a good grade. ♡