Launching tomorrow: Something like Play-Doh for industrial designers, Sugru is a modeling-clay-like silicone that can be used for everything from molding ergonomic grips to repairing leaky sneakers. Once removed from its packaging, it can be molded for a 30-minute period, and it then cures at room temperature in about 24 hours. Self-adhesive, waterproof, and dishwasher-safe. Check it out:
There's a gallery of photos showing what you can do with the stuff here.