My kids and I love Zombie Dice, and we loved this expansion when we purchased it and played it recently. “Catching the bus” (ie. Rolling the School Bus die) is optional, but soooooo hard to resist! Greedy zombies beware: the potential rewards are great, but you'll just as likely get “shot-gunned” and end your turn empty-handed… Pros: Adds extra depth and interest to the game; the die is well-made (it's big, yellow, chunky and heavy, just like a school bus, and my kids loved rolling it); the counters are handy for remembering what you've rolled. Cons: Can make the game much longer (don't be surprised if you end up having two or three rounds in a row where nobody scores, but them's the breaks for greedy zombies!); the rules are a little more complicated, and remembering what the various symbols on the School Bus die mean, and how they interact with the normal dice, takes a few sessions; and finally, you may find (as we did) that it becomes increasingly difficult to fit everything in your original Zombie Dice can, especially if you own more than one expansion – we now use a draw-string bag instead.