It is a game to build individual towers composed of odd and even numbers of balls.
Odd numbers can be stacked on a soccer ball and even numbers can be stacked on a basketball.
To increase the difficulty, towers will collapse on collisions with multiples of 3.
Always be careful.
Good luck.
at://did:web:gamesgamesgamesgames.games/games.gamesgamesgamesgames.game/3mgifaiakmt2d