This week, it's all about toys! First, toys for the big kids. MP3 players are all the rage for downloading music from the Internet. The Shopping Bags learn about the different typs of MP3 players and how they work. Also, education toys. Are they really any fun? The bags invite their young friends to test a bunch of toys too see what really piques their interest. And who isn't influenced by marketing these day? Anna and Kristina learn about how toy companies target kids and what parents can do about it. And the mystery shopper has some tips on buying and returning toys.