It’s a big day for family events at the Detroit Auto Show and Chevy has brought back a popular attraction. The button station and doodle wall offer guests a chance to express their creativity and take home a souvenir to commemorate the event.

And a little note about the expo board — at the end of the night, Chevy officials erase all the designs. But before they do, they snap a photo of the artwork. It will be used in a Chevy Auto Show exhibit next year.

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