Here is a list of online stores full of interesting/odd/weird/unique items!
(No “stores” that just redirect to Amazon.)

Archie McPhee – “Funny Gifts, Toys, Novelties, & Weird Stuff”

Always Fits – “Unique Gifts for Unusual & Cool People”

Bits and Pieces – “Jigsaw Puzzles, Holiday Gifts, and More”

The Grommet – “Unique Gift Ideas for Everyone”

Novelty Street – “Cool Stuff and Awesome Things to Buy”

Off the Wagon – “Weird, Funny, and Gag Gifts”

RedBubble – “Awesome Products Designed by Independent Artists”

Spencer’s Gifts – “Body Jewelry, Graphic Tees, Lingerie, and Lava Lamps”

Sunnyside Gift Company – “Awesome Zen and Fun Gifts for Everyone”

Uncommon Goods – “Cool, Unique, and Unusual Gifts”

Vat19 – “Curiously Awesome Gifts”

Whim Whamme – “Kitchen, Cooking, & BBQ Gifts”

Wicked Uncle – “Brilliant Children’s Presents”