Corrected entry: At the beginning when Claudia is explaining the rules, we see Klaus zip up a chipmunk doll, showing that it contains diamonds. However, when the girls discover the diamonds and the money, they have to slash the doll with a knife to open it.
Corrected entry: How did the girl's know where to find the Chipmunks after they left Antarctica? Both teams were given a different route around the world. Neither side knew of the other team's route and the last time the girls knew, the Chipmunks were heading to Istanbul.