Mars Wrigley UK has announced the return of its popular consumer promotion, Sweetstake, with top prizes of £20,000 and a new charitable partnership with National Emergencies Trust (NET) for its Coronavirus Appeal. It is running throughout the summer, across Mars, Revels, M&M’s, Galaxy Minstrels, Maltesers, Twix, Galaxy Ripple, Snickers, Starburst, ...