I've ended up hunting down Sonic merch more times than I can count, so here's the shortlist that usually saves me when I'm craving anything of 'Sonic the Hedgehog', Shadow, or Silver. Official stuff is easiest via SEGA's own online shop (they sometimes have limited drops), and big retailers like Target, Walmart, and GameStop often carry plushies, apparel, and Funko Pops. For Funkos and collectible figures I check Hot Topic and BoxLunch regularly — they rotate exclusives a lot and usually have character-specific runs.
If you want niche or fanmade items, Etsy and Redbubble are goldmines for unique prints, custom pins, and small-run plushes, but keep an eye on licensing and read reviews. For vintage or rare pieces I browse eBay, Mercari, and Facebook Marketplace; you can snag older Shadow or Silver figures there, but always look for clear photos and seller ratings. A final tip: check product photos for licensed tags or holograms when buying collectible figures, and compare shipping times if you’re international — I once waited two months on a crate from overseas because I didn’t check shipping options first.