A cross between paint and dough, this delightful concoction is fun to squeeze out into puffy, colorful designs. As it dries, the salt in the dough crystallizes, leaving behind a glittering abstraction.
For a lesson in impermanence, watch a Tibetan monk sweep away an intricate sand mandala that took days to create. Or, closer to home, have your toddler try this fleeting, no-mess project. Like a mandala, they're here one minute, gone the next.