buttonkit
nounUK /ˈbʌtənkɪt/
US /ˈbʌtənkɪt/
A buttonkit is a small box or bag with buttons and thread for fixing clothes.
Mom got out the buttonkit to sew a new button on my coat.
OTHER MEANINGS
2. A set of buttons sold together for crafting or decoration.
She bought a buttonkit to decorate her denim jacket.
3. A digital pack of button graphics used in app or game design.
The developer downloaded a buttonkit for the game menu.
4. A small toolkit for attaching badges or pins.
He used a buttonkit to make campaign pins.