You can choose from a Quarter Pounder with cheese or a 10-piece McNugget order. It also comes with the chain's famous french fries and your choice of drink. But the specialty drink that's made to go with the meal is called the Mt. McDonaldland shake, and it's a blazing blue color, topped with hot pink whipped cream.

McDonald's dropped its McDonaldland Adult Happy Meal today and with it came the Mt. McDonaldland Shake. Here's what to know about the new limited-time only shake on the McDonald's menu. It's an ode to the volcano from McDonaldland.

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