the evidence did not support our conjecture that children find it easier to build a structure by copy- ing a prototype than by using a perspective drawing. Rather, it seems that Metzler and Shepard's(1974) belief that perspective drawings of three-dimensional objects are internalized in the same way as the objects themselves applies to children as well as to adults that children find it easier to build a structure by copy- ing a prototype than by using a perspective drawing. Rather, it seems that Metzler and Shepard's(1974) belief that perspective drawings of three-dimensional objects are internalized in the same way as the objects themselves applies to children as well as to adults