How good are you at estimating things at a glance? Have you ever just looked at something and knew instinctively how many pieces of it there were? There is a sense, many believe, every human has, where our subconscious brain is much smarter than us, and can do the calculations for us without us even feeling it. Suddenly, the answer just comes to us, as if out of nowhere. Well, in this quiz we're going to check out your ability. Try not to overthink things and don't dillydally, listen to your gut and go for a number, even if it looks wrong but feels right.