The new McDonaldland shake, depending on which size you order, runs between 510-900 calories. Here's what it tastes like.

Now, McDonald's has introduced the McDonaldland Meal, which goes straight after that market of adults who have a nostalgic feeling for the Golden Arches. And it comes with a shake in neon colors like you've never seen before.

Ronald McDonald, Grimace, Birdie, Hamburglar, Mayor McCheese and the Fry Friends are together again for a new McDonald’s meal