McDonald's introduces Squishmallows to Happy Meals.

McDonald's Happy Meals will soon include 24 exclusive Squishmallows, with 14 of them featuring an exclusive playlist created by Universal Music Group. Each participating McDonald's will offer 10 or 12 unique versions of the plushes, which will be placed inside a Squishmallow-themed Happy Meal box. The exact rollout date is unknown. Squishmallows were first launched in 2017 and have grown in popularity over the years, becoming the No. 1 best-selling toy last year.