Research shows that babies can communicate through sign language as early as ten months, long before they can communicate through speech. Studies have also shown that babies who have learned to sign have higher IQs and more vocabulary. This book includes a DVD that teachs parents and babies to sign simple words.
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Research shows that babies can communicate through sign language as early as ten months, long before they can communicate through speech. Studies have also shown that babies who have learned to sign have higher IQs and more vocabulary. This book includes a DVD that teachs parents and babies to sign simple words.
Read Less
![I Can Sign! Playtime [With Dvd]](https://www0.alibris-static.com/isbn/9780824967086_t.gif)
