The "Teach Your Baby Spanish" Audio CD teaches basic Spanish words, making it a good tool to start with. According to Science Daily, children are able to acquire a second language as early as preschool through "immersion learning" in which children simply listen to the language being spoken all around them. Play the audio CD at least once a day. Your toddler doesn't need to be paying full attention to it and most likely will not, but by hearing the basic words of Spanish every day, he or she will learn without even knowing it.
The "Body-Cuerpo" Bilingual DVD is a 40 minute video that shows children body parts, numbers and clothing items and says the names of them in English and Spanish. There are also songs for daily vocabulary words. Adding the visual component will take your child's learning to the next level. You can change the settings to play the video in Spanish only for an immersion experience. It is recommended for ages 4 and under.
Classic children's books often have Spanish versions that can be found in a children's bookstore, a public library or online. Children tend to have favorite story books in English. You can rent or purchase these favorites in Spanish and read them in Spanish every night or alternate reading the English version and the Spanish version every other night.
Toddlers enjoy watching TV shows, and the visual-audio combination is great for toddler's learning. Good Spanish learning programs for toddlers are "Dora the Explorer," "Handy Manny" and "Go Diego Go." These shows introduce Spanish vocabulary along with the English translations. For a total-immersion experience, you can purchase the Spanish version of your toddler's favorite shows such as Sesame Street and Barney.