Spend a few days in the city, and you'll see why New Yorkers are such caffeine hounds. As if there wasn't enough fine art, cutting edge culture and world-class food to consume, folks here are determined to DIY. Whether it's pasting their own pasties (nipple tassels, to the uninitiated), mixing their own winter cocktails, or sketching their own masterpieces (with the help of free-flowing PBR), there's a drop-in class for every taste and every passing whim. So if you have a couple of hours to spare, and the urge to get down and dirty with paper and glue, or perfect your bump and grind, read on for my selection of the best drop-in classes the Big Apple has to offer.