Hmmm... we have a smoothie maker around here somewhere. I think there is something wrong with it. Want me to dig it out and see whats wrong with it? Actually, I think the only "wrong" with it is that the kids never cleaned out the spout part and you might get yesterday's vanilla smoothie blended with today's strawberry smoothie... yuck. So I think I took it away from them until they figured out part of smoothie making is cleaning up