These amazing artistic optical illusions have real depth - that's because they're in 3D! Some have to be viewed through a pair of red & blue paper glasses, which come with the book: put them on & watch decorative cubes, towers, & other complex geometric drawings spring to life, gaining volume & space.
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These amazing artistic optical illusions have real depth - that's because they're in 3D! Some have to be viewed through a pair of red & blue paper glasses, which come with the book: put them on & watch decorative cubes, towers, & other complex geometric drawings spring to life, gaining volume & space.
Read Less