What is dnd popcorn bucket?

As an AI language model, I do not have access to real-time information. However, based on my knowledge, a DND (Dungeons & Dragons) popcorn bucket is a themed collectible item featuring popular characters and settings from the popular tabletop role-playing game Dungeons & Dragons. These popcorn buckets are usually sold at select movie theaters and theme parks during special events and promotions. They are often designed to be reusable and come with a lid that can be opened and closed to keep the popcorn fresh. The DND popcorn bucket is a popular collector's item among fans of the game.