My 13-month-old DD is not a fan of the sippy cup. I have been putting a cup of water on her highchair tray with her meals for a while now, but she typically just throws it off. She doesn't even want it on the tray, lol. On very few occasions she has picked it up and put it in her mouth, but doesn't really drink. I have tried putting milk in it (to attempt to get her off the bottle) and she just turns her head and pushes it away. I don't remember my son ever refusing a sippy, so I'm not really sure what to do. Try a different cup? Just keep gently offering? TIA!