3 years & up. Make painting less of a mess with these bright colored Water Pots with Paintbrush Holder for Painting Activities - Set of 6. The three inch deep water well has a built in brush holder to easily store or clean your paintbrush while painting. The wide base prevents the pots from tipping. These water pots can also be used with a water table. Set of 6 assorted colors. Base measures 4.5" meter.