
Can a straight line bend? Can two identical circles be different sizes? This 24-page, full-color activity book from Opticalillusions.com has 12 classic illusions, each with a What do you see? challenge, a Try it experiment and a clear How it works explanation, plus step-by-step pages to draw an impossible triangle, a flipping cube, an invisible shape and a bulging op-art grid, a scorecard, answers and an Illusion Expert certificate. Ages 8 and up. 8.5 x 11 inch softcover with a glossy cover. Learn more at Opticalillusions.com. Designed by Opticalillusions.com; printed to order.
Fully Customizable Content
Easily upload your own artwork, text, or designs to create a fully personalized and unique coloring book.
Standard Large Size
The coloring book is printed at a standard 8.5" x 11" size, providing a large canvas for coloring.
26 Premium Pages
The book includes 26 premium white sheets specifically for your custom coloring pages.
Versatile Paper Quality
The paper quality is ideal for a variety of media, including crayons, colored pencils, markers, pastels, and watercolors.
Lightweight Soft Cover
The coloring book features a flexible and lightweight soft cover
Wipe clean with smooth cloth. Material is not water resistant..
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