Step 1. Buy a Pentel Hi-Polymer eraser. Step 2. Buy some mechanical pencil lead. Make sure it comes in one of those plastic containers. Step 3. Place eraser on top of mechanical pencil lead plastic container. Let it sit for an extended period of time. The longer you wait, the more interesting the outcome. Within a few seconds, the eraser and plastic container will bond together. Let it sit for a few days, and you can observe the eraser and plastic container melting each other. Let it sit for a ridiculously long time of a few weeks/months and well yeah... You get a pile of awesome melted eraser/plastic container.
