Things That Jump/bounce with Y

• yo-yo

  A yo-yo shoots down and springs back; bouncy toy.

• yellow ball

  A ball bounces; being yellow still counts.

• Yak

  Large Himalayan bovine; can buck and jump when moving.

• young kids

  Kids often jump around--works for this category.

• yarn ball

  Round toy/ball of yarn; can roll and bounce a little.

• Yo yo

  Yo-yo toy goes down and springs back up.

The words in the list Things That Jump/bounce with Y come from players of the word game Categories game.