Nissan Brazil recently celebrated Children's Day by conducting a unique design contest.

Over the course of ten days, parents who worked at Nissan Brazil submitted pictures of cars drawn by their children. The drawings were then judged and three winners - and one honorable mention - were selected and turned into professional sketches by artists at Nissan Design America Rio.

The end result is a number of surprisingly cool renderings which undoubtedly brought a smile to everyone involved.

In a statement, of Nissan Design America Rio designer-in-chief Robert Bauer said "The joy of working with children is the opportunity to deal with freedom from all restrictions. There are no limits when it comes to the kids' imagination." He added, "It was wonderful to share our studio with them because they are our future, and they create worlds adults could never imagine. It is an experience that brings us energy and makes us rethink our concepts."

Gallery: Nissan turns kid's drawing into concept cars

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