I'm all intrigued with Colorforms and think we need some. However, I must admit that I really have no idea what they are or how they work. I gather they are some sort of reusable sticker-type idea, but I can't see them IRL. So, if we get any, I'll have to order on-line. Also, for those of you that have them, do you have any recommendations on brands or stories for a 2-year-old. DS is especially into all things sports and transportation oriented.