Does anyone know what these are for?

[gavroche]

I used to play these when I was a child but wonder if anybody knows this game in the UK?

 

[glasgowcyclist]

Are those for the game that we would call five jacks/five stones?
https://www.mastersofgames.com/rules/jacks-rules.htm

 

[gavroche]

Are those for the game that we would call five jacks/five stones?
https://www.mastersofgames.com/rules/jacks-rules.htm

No, but close.

 

[wisdom]

Bones I think.

 

[Gasman]

Reproduction knucklebones? Used in throwing/catching games going back to ancient times.