The Minnie Mouse: The Main Attraction King Arthur Carousel Ears launched on August 11, 2020. The monthly collection featured a plush, Loungefly bag, mug, pin set, and for some months a Magic Band. The collection was released in limited quantities online, in Disney Stores, and in the Walt Disney World and Disneyland theme parks.
The MMA collection was also available for purchase in Shanghai, Hong Kong (without the MMA tag), and shopDisney UK.
The ears originally retailed for $34.99.
For information about fake vs authentic ears, check out the Spotting Fakes article.