Signing times!!! I used the with DS, well really i learned from them, but with a non speaking fustrated 3 year old nephew, i knew anythign was possible. So me DD learned signs and he did too. he knew over a handful by a year, and they both new more than my by the times he was 1.5 and speaking....
so although she is older they are great. DD was about 2.5- 3 when she learned from them, and well i was 25, lol and learnned from them....