CHICAGO (WGN) — McDonald’s is releasing a retro adult Happy Meal featuring nostalgic characters and a collectible souvenir.

The adult Happy Meal comes with your choice of a Quarter Pounder with cheese or 10-piece Chicken McNuggets, fries, and what McDonald’s calls a “first-of-its-kind collectible souvenir that’s sure to unlock core memories.”

The meal also features a new, limited-edition Mt. McDonaldland Shake.

It also brings back some of McDonald’s nostalgic characters, such as Ronald McDonald, Grimace, Birdie, Hamburglar, Mayor McCheese, and the Fry Friend.

The new McDonaldland Meal is available beginning Tuesday, Aug. 12.