GameStop is preparing for one of the strangest retail events of the year, and the timing makes it even funnier. The company is bringing back Trade Anything Day on December 6th, an in-store promotion where shoppers can literally bring almost any physical item that fits inside a 20x20x20 inch box and exchange it for store credit. It is the closest thing to a thrift-store garage sale colliding with a video game shop.

The rules are simple. You get one item. It must fit inside the cube. It cannot be alive, recently alive, illegal, dangerous, or something a reasonable person would describe as unsettling. Employees have the final say on what gets accepted, and early chatter suggests most stores will keep a lighthearted approach as long as the item is safe and clean. Taxidermy may be allowed depending on the store, though it will probably depend on how horrifying it looks.

The biggest unknown is the value. Early hints suggest a small amount of store credit per item, but GameStop has not confirmed exact numbers. For customers, the appeal is more about the novelty. It is a chance to declutter a shelf, clear out a drawer, or finally get rid of whatever random object you swore you would fix someday. For GameStop, the goal is simple. Get people through the door and spark some attention at the height of the holiday shopping season.

Trade Anything Day also plays into the store’s current strategy of building in person experiences rather than relying only on traditional game sales. Foot traffic is everything, and a wild event like this creates social media moments and gets customers curious enough to visit. The only real challenge will be balancing the silliness with store operations since unusual items can lead to unpredictable situations.

GameStop has said it will offer full details at the store level as the event gets closer. Shoppers planning to participate should confirm local rules and bring an item that is safe, clean, and actually worth carrying around a mall. And if you are thinking about testing their limits, just remember. They said almost anything, not your roommate’s emotional baggage.