Not so long ago the Happy Meal toy was the best freebie available at McDonald’s but diners now have the chance to win thousands of prizes, including £100,000, as McDonald’s Monopoly WiiiiN! returns next week. Running from Wednesday 21 March and run until Tuesday 1 May, the McDonald’s Monopoly WiiiiN! will give diners the chance to win holidays, cars, vouchers and even £100,000 cash prizes. This year McDonald’s has revealed the thousands of giveaways it’s offering as part of the Monopoly WiiiiN!