beanbag; beanbag juggling game
Refers both to the small cloth beanbags used in the traditional children's game and to the game itself, where players toss and catch multiple beanbags.
My grandmother made me some beanbags.
The children are playing the beanbag juggling game.
bobbling the ball
Baseball term for a fielder's failure to catch a ball cleanly, often resulting in a momentary juggling or bobbling action.
The outfielder bobbled the ball, and the runner advanced to second base.
From お (honorific prefix) + 手玉 (hand ball). The baseball sense is a metaphorical extension from the juggling motion.