Playing eye-spy on the bus. My 10 yr old sez ''I spy with my little eye, something beginning with c'' ''cloud''?? shouts my 7 yr old. ''nope'' ''car''?? ''nope'' ''cardigan''?? ''nope'' ''can of pop''?? ''nope'' ''awww - give us a clue then this is boring'' sez 7 year old...