It's not really even detailed, iirc. It's just sort of a lumpy looking bit hanging from between his legs.

there's a way to stop a little boy getting it out I have yet to find it
You and me both. ROFLMAO

"DUDE! Put that thing away...I don't need to see it, kthx. We only do that in the bathroom or the bedroom, remember?"
"Oh yeah. RIGHT!" *zooms off to his bedroom*