Here is another cool gift idea for fans of optical illusions. The Optical Illusion Cutting Board has lines that look like they are not parallel even though they are. It is made from black walnut, maple, and mahogany hardwoods.
More gadgets like this: here
The board measures 10 ¼ by 16 ½ and 5/8 thick. It ships pre-oiled and ready to use when you get it.
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