sculptable

They are soft and sculptable, far into adulthood (as documented well in Sharon Begley's recent book "Train Your Mind, Change Your Brain").

The Success Myth

Treating nature as a raw material and the means for the creative process... the concept of manipulating terrain as a large scale three-dimensional sculptable object... these are ideas that Comet wears like a second skin.

Land Art in Second Life – A historical perspective and an introduction to virtual artist Comet Morigi

Chocolate, the cooked, sculptable paste of a South American tree seed, has been married to sugar ever since its arrival in Europe nearly 500 years ago, and is in some respects sugar’s complement.

On Food and Cooking, The Science and Lore of the Kitchen