Waboba Lava Ball (Color Changing) Waboba Lava Ball will take your land games to the next level with a sky-high bounce and cool design that changes color in the sun! Watch the yellow cracks turn to red right before your eyes when activated by UV rays Waboba Lava Ball is a fun, all-ages activity to take to the playground, skate park, cabin or your own front yard This awesome, high-bouncing ball turns any place into a playground Recommended for ages 5 years and up | Size: 2.48''