Rubber Glass

Inventables is a store where you can find special materials for filmmaking effects or for science demonstrations -or just for fun! If you're going to smash through a window, consider making a pane of rubber glass. Mix two chemicals together and mold it into whatever glass or ice shape you need, then let it cure for a day. Once cured, it will look like glass, but cut your skin like rubber (meaning it won't). They also have bendable wood, stainless steel paint, aluminum foam, and squishy magnets. Link -via Metafilter