I find a dog-eared catalogue lying around. It's full of circled items. smiley faces, and little notes such as "Maybe Tim," "Great for John," and "Tim - Awesome." Among the many finds for Tim is The Encyclopedia of Immaturity.
"Yeah," Kolbe informs me, "You can learn to say 'poop' in seven languages."
What further endorsement do we need? Meanwhile they sit in the living room watching Bob the Builder in Spanish and laughing their heads off.