Finally, he thought that the horn was worth about fifty cents.
"I'll do it, Penrod!" he said with decision.
Thereupon Penrod shouted aloud, prancing up and down the carriage-house with the horn.

Roddy was happy, too, land mingled his voice with Penrod's.
"Hi! Hi! Hi!" shouted Roddy Bitts.

"I'm goin' to buy me an air-gun down at Fox's hardware store!" And he departed, galloping.
...

He returned the following afternoon.

School was over, and Penrod and Sam were again in the stable; Penrod "was practising" upon the horn, with Sam for an unenthusiastic spectator and auditor.