Blind bag toys, surprise toys, mystery toys. What are these hot playthings that kids are going gaga over? At the most basic, these are gifts that are already wrapped. The "blind bags" are just what they sound like: they're toys you're buying "blind," contained in packaging that makes what's inside inscrutable. Like baseball cards, you'll have an idea of what characters you might find inside, but you won't know which exactly which one until it's opened. Here are some examples.