Rainbow Infinity Symbol Fidget Bracelet:

Rainbow or white links are NASA Fabric Mk 3 by TurboDork CC-BY

Wristband links are by Jack CC0

Clasp is remixed from UliLac CC-BY-SA

Infinity symbol is remixed from Ian Sime CC-BY

Rainbow Infinity Symbol Puzzle Fidget Keychain:

Infinity symbol adapted from design by Eric (last name unknown)

Keychain adapted from tutorial by MakerLessons

Mouth Model

Mouth adapted from a graphic by Mince CC-BY 4.0

Hinges adapted from a mechanism by rostap CC-BY-SA 4.0