Pinole mom creates incredible Transformers costume for Halloween

PINOLE, Calif. (KGO) -- This may be the coolest Transformers costume we've ever seen.

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A Pinole mom made it for her 4-year-old this Halloween. Shallon Santiago says that it took her hours to create -- but it's totally worth it.

If you want to see how it was done, check out this video.

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