Unveiling the Grand History of the World's Fair

Have you ever dreamed of going to a science fair as an adult? If so, the world's fair is for you -- these massive international exhibitions occur around the world, usually running for three to six months. And each world's fair include exhibits from a significant number of countries, inventors, and companies with new (potential) breakthroughs for society. In part one of this special two-part episode, Ben, Noel and Max explore world's fair success stories -- along with a mysterious fire.

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