While this article by Randall Stross doesn’t mention exact correlations, I’m a believer in the premise that legos are a valuable training tool (gender aside). With my oldest now nine, I’ve been doing research on how best to start him programming as well.
Related
Great Infograph on Frequent Flyer Traveling from the New York
For many tech categories, new models were historically announced at
Bill Gates writes on Yuval Noah Hattari’s most recent book