Hogwarts, Sanrio & Bikini Bottom
SpongeBob Secret Formula Mystery Cuff
★★★★★4.8 out of 5
$8.75checked October 2026
Plankton is after the formula again, and the Krusty Krab crew has scattered into capsules. Eight characters are in the Secret Formula set, including DoodleBob and the Flying Dutchman, all happy to ride along on a wrist.
Who might be inside: Fry Cook SpongeBob, Fry Cook Patrick, Plankton, Pearl, Fry Cook Squidward, a Jellyfish, DoodleBob and the Flying Dutchman.
- Eight Bikini Bottom characters in the set
- Soft plush crew that rides along on backpacks and bottle loops
- Pick of the bunch for themed outfits and trading days
- One capsule, one random character
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