Mars is to open its first European M&M’s World store in Europe in a 35,000 sq ft site in London’s Leicester Square. The store, in a retail unit at the base of the W Hotel on the former Swiss centre, is expected to open next summer. 

The confectioner already has three M&M’s Worlds, in Orlando, Las Vegas and New York.
They stock merchandise, sweets, souvenirs and provide a range of M&M’s-related entertainment.

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