Nani raced toward the stairs, eager to see what Santa had left for him under the tree. But - oh no!
He tripped over the tennis balls that he had left on the steps from yesterday! Bump, bump, bump!
Down he tumbled. But that's okay, he wasn't hurt - Nani was too excited to worry about a little tumble.
'I'll put those balls away later,' he thought to himself. (No, he won't!)