What materials can you use?

The Fab@Home can build nearly anything out of any kind of liquid or paste that you can imagine dispensing from a syringe. We have tried using household silicone rubber caulk, epoxy, cheese, chocolate (with a small heater attached to the syringe tool), cake frosting, ceramic clay (when mixed with sufficient water), PlayDoh, and gypsum plaster. Is this up to date? This is merely a list of the materials we have had time to play with - many, many more materials are possible,