<p>A lump of genuine American coal is the perfect gift for anyone on the naughty list. But it doesn't have to be all bad news - a link to a science experiment is included! (Note, the experiment does require some other ingredients not included with the coal).</p> <p>Golf ball to egg sized lump is packed in a cotton drawstring bag, with a card that includes a link to an experiment to grow snowflake like crystals on your coal.</p>