The Clock That Didnt Tock By: Karen Wu Grandpa has a special clock, That only ticks and doesnt tock. but thats okay! Sometimes the things that make us different are the things that make us special. The Clock That Didnt Tock is a story for children of all ages. Originally a story Karen Wu told her own children, a valuable lesson lies within: it is whats inside that counts, not our outward appearances.