Flossie, it's only really in the past month that Oskar has started to drink water out of his own cup... prior to this he would on occasion drink some of mine out of a bottle. I just kept offering it to him and then the cup that did it is a $2 one! I have spent so much on all these non spill/drip ones...the one I got is called Dinkee I think and you get them from KMart in the area where the normal drink bottles/lunch boxes are. It's a straw cup and for Oskar worked as it's not one where he has to suck reaaaaally hard like the others and he soon worked it out and now drinks like a fish most days.