Water Paint July 19, 2011 / Menucha Belkin This has got to be the simplest, most mess-free activity for preschoolers. Goes to prove that, even today, all a toddler really needs is some summer sunshine, water, and a slab of warm pavement to keep 'em happy! 5 Comments 0 Likes categories / Activities, An Honest Steal, Babysitter in A Box, Kids, Toys