This is a very good idea to tech children multiple languages. Before teaching her any other language, ask her to do some language activities. also spot if any language disorders in your kid.
Learning more languages is very important for kids. Parents should have to help kids improving language learning skills. Check out this article on language activities for kids may help parents to help their kids in improving language learning : http://www.momjunction.com/articles/language-activities-for-kids_00345060/
There are some apps which help learning spanish language. But I dont think so they help great for kids. What is your kid's age? Some spanish learning apps for kids: NoyoSpanish Little Pim Kandoobi Animales
Yes, you are right. These are very interesting. Kids should have some freedom to do the things on their own. But,sometimes too much freedom makes them as stubborn. I have read some interesting learning activities for kids that all parents have a look at this article: http://www.momjunction.com/articles/engaging-educational-activities-kids_0086041/
She is just 15 months old, let her concentrate to watch programs or seeing pictures in books. For babies, Atleast 18 months to 24 months time would take to grasp something while you are reading.
Before introducing solid food, baby must be ready to swallow the food. Try these foods: Vegetables fruits Beans eggs rice and bread Starchy foods Pasta
Reading is a great bonding time between parents and kids. Take a book and hold it at a comfortable level and point a picture while pronouncing that picture name. As your child sits with you, sharing a book will become a pleasurable activity.
That's really a good idea, I think to bind the book,you get it done in any book binding shop. But,the is about what kind of book you are going to make. Take any simple theme, and start doing. All the best.
Usually,kids might not require to use Tabs, If they have to use for educational purpose, go for any basic kind of Tabs, and install educational/learning apps. Make sure,that your kid should not spend much time with Tab.