"What in the world does he mean?" asked Mother Bunker.
"Tell me about it!" said Grandma Bell.
"It's out in the barn," explained Laddie. "Russ got on something, and he can't stop running!"
"Maybe he's in a trap!" exclaimed Laddie's mother.
"If he was in a trap he couldn't run," said her husband. "I'll go out and see what it is."
The other little Bunkers were still playing with Muffin, the big gray cat, as Mr. and Mrs. Bunker and Grandma Bell hurried out to the barn.
As they drew near it they heard a voice shouting:
"Oh, make it stop! Make it stop going! I'm so tired! My legs are so tired!"
At the same time a low rumbling could be heard, like that of very distant thunder.
"Oh, what is it?" gasped Mother Bunker. "Oh, Russ, what have you done now?"