Why I am unable to play the both events as they both are available in my brother's game?

PrinceKumarDhundhara

What should I have to do for playing these events.

kiara_wael

Hi and Welcome to the King Community

The features might be temporarily unavailable as features come and go. They are not the permanent part of the game and can be replaced or unavailable at any time. Always keep your game up to date

https://community.king.com/en/candy-crush-saga/discussion/251470/where-are-my-in-game-challenges