This fic is rated G. Nothing offensive. No, really.

Disclaimer: Marc Brown owns the Arthur characters, and his lawyers are bigger than my lawyers.

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"Mine's bigger," said Tommy Tibble to Timmy Tibble as they stood, face to face, in the middle of the preschool playground.

"No, mine's bigger," Timmy shot back.

"No, mine's bigger!" Tommy insisted.

"Mine's bigger!" bellowed Timmy.

Seeing that they were getting nowhere by arguing, Tommy demanded, "Show me yours."

"Show me yours and I'll show you mine," was Timmy's reply.

"You show me yours first."

"No, you first."

"Okay," said Tommy, "how about if I show you mine, and you show me yours, at the same time?"

"Sounds good," said Timmy.

The twins turned their backs to each other, unbuttoned their pants, pulled them partially down, and wiggled their stubby little hamster tails at each other.

"They're the same size," observed Tommy, looking over his shoulder.

"Yeah, you're right," said Timmy, and the boys pulled up their pants and buttoned them.

"I wonder why Grandma wants us to keep them hidden," Tommy mused.

"Heck if I know," Timmy responded, and the twins ran off to play.