We are very little creatures; all of us have different features. One of us in glass is set; one of us you'll find in jet. Another you may see in tin, and a fourth is boxed within. If the fifth you should pursue, it can never fly from you. What are we?

I’m born when you look, yet die when you stare. I weigh nothing at all, but crush you with care. I vanish when chased, appear when you flee. I bind every choice yet swear you are free. I’m sharper than truth, more cruel than a lie. I live in the moment you wish would pass by.

I am the cost of every choice you make but I am never the thing you buy

As a racer, your goal is to meet me at speed. But you’ll surely miss me if you turn in with greed.

A law known most to those who play, A rule of old, still true today, I am not found in any court, At least not of the legal sort, I'm one of many, don't you see, By numeral I'm mentioned, The most known part of my decree, Is that there's no exception