Photo credit: Ken Bohn / San Diego Zoo

The San Diego Zoo's Giant Panda cub, Xiao Liwu, was eager to play with a plastic ball during his 18th exam. Panda keepers gave the cub the ball to test his coordination and encourage him to play with new objects. Follow Xiao Liwu's progress and antics on the Zoo's Panda Cam! Don't miss the awesome video below.

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