But Mrs. Bobbsey could not help worrying, and Nan, Bert and Flossie were very much frightened. They were almost crying. Even though the Bobbseys got in an express elevator after getting out of the small, tower one, it could not go down fast enough to suit Freddie's mother. When the ground floor was reached she was the first to rush out.
One look around the big corridor of the Woolworth Building showed Mrs. Bobbsey that something had happened over near one of the elevators. There was a crowd there, and, for a moment, she was very much frightened. But the next second she saw Freddie himself, with a crowd of men around him, and they were all laughing.
"Oh, Freddie! where did you go and what have you been doing?" cried his frightened mother as she caught him up in her arms.
"I've been having rides in the elevator," announced the small boy. "And it went as fast as anything! I rode up and down lots of times!"
"Yes, that's what he did," said the elevator man, with a laugh. "I didn't pay much atten-
