Art: 10,000 Fingers

To an adult who judges art by its intellect, the art of children is necessarily primitive, sometimes amusing. To an adult who looks on art as a floodgate for the imagination, child art has lately become a fascinating affair. Muddlers who hold either view as occasion in Manhattan demands found occasion last week to hold the second. On the walls of the big mezzanine galleries of Rockefeller Center's International Building were posted more than 1,000 crayon, tempera and water color drawings by children in 530 U. S. and Canadian schools, an exhibition...