- Clothing items such as t-shirts, hoodies, and hats featuring the show's logo or iconic characters.
- Collectible action figures, toy ships, and replicas of props from the show.
- Posters, art prints, and other decorative items with images and designs inspired by Firefly.
- Books, graphic novels, and other publications related to the Firefly universe, including the original TV series, comics, and spin-off novels.
- Home goods, accessories, and other merchandise such as mugs, keychains, and various knick-knacks featuring Firefly designs.
Some official sources where you can find Firefly merchandise include the show's official website, online retailers like Amazon or eBay, and collectibles stores or specialty shops that carry geek and pop culture related items.