I think 'vroooom' is instinctive in every child, but I do know what Lil says about the 'Pow-pow stick'. Even with my little one, I can see he's A LOT happier playing 'rough and tumble' being tickled and moved about, than looking at a book or making eye contact with someone. I have to work quite hard to get him interracting with people - he'd rather be working on learning to sit and crawl.

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"Time flies like an arrow -
Fruit flies like a banana"

M Y - N A U G H T Y - P I C T U R E S ! !