Update :
Just got off the phone with Camelbak. The directions on the packaging are kind of deceiving. You need to pull open the valve and then press the bite valve open with your thumb and finger. It took a few times but mine finally popped open and works! Obviously they have received numerous calls about this sort of problem! He also said you should never have to cut the straw to get them to work.
Thanks for everyone's help!
I purchased the Eddy for my ds. Took the first one back to Target yesterday because no water was coming out. Just assumed it was defective. Tried the new one this morning and it doesn't work. The only directions are flip it open, bite, and drink.
I feel like an idiot!
Ann