Many people celebrated May the Fourth, aka Star Wars Day. The Guinness World Records commemorated the day by sharing a video of the biggest Star Wars collection.

They took a tour through Rancho Obi-Wan in Petaluma, California with president and CEO Steve Sansweet. As proof of this collection’s vastness and value, before even entering the main area of the collection, the walls are lined with original movie posters, including the 1985 Triple Bill poster that is valued at up to $20,500.

There are an estimated 500,000 unique items in the collection. It includes the original door to the Mos Eisley Cantina, towers of action figures, Boba Fett’s prototype rifle, a piece of the Millennium Falcon, food and beverage memorabilia, signed lightsaber replicas, even fan-made items.

Check out the full video below.