In Word World, set in a lush landscape filled with funny barnyard animals, the messages are clearer: because each animal is graphically spelled out, kids can watch as the letters P-I-G form that porcine creature. Even the scenery gets in on the act- a barn, a tree, a splash in the lake. When animals take time to build a word (always a moment of great expectation and jubilation), you can actually witness the little wheels working in the viewers' heads...