Motion Illusion (Optical Illusion) Coffee Mug
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![Motion Illusion (Optical Illusion) Coffee Mug Motion Illusion Optical Illusion Coffee Mug](https://rlv.zcache.com/motion_illusion_optical_illusion_coffee_mug-rdea0fd02b92148f19dba02ce5a8f6bb9_x7jgr_8byvr_500.jpg)
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Optical illusion fun is alive and well on any of these gifts featuring the motion illusion. Caption says it all: "Static image appears to be moving due to the cognitive effects of interacting color contrasts and shape position." Perfect psyche / psychology humor gag gift for any fan of optical illusions! Make others do a visual double-take today