Let's go for a stroll, baby! Sis is the perfect pal for your growing baby, offering exciting hands-on activities for little sitters and tons of encouraging phrases and support for those first little steps. As little ones grow and go, Sis will introduce them to the alphabet, shapes, colors, counting, and even Spanish words! Where development comes into playAcademics: Playful songs and phrases introduce your baby to the alphabet, colors, numbers, Spanish words, and more!Gross Motor: Little muscles get a big workout as sitting little ones reach for and interact with the activities and then pull up to stand and walk behind the walker.Curiosity & Wonder: As babies discover how to activate the music and phrases by pressing the buttons or pushing the walker along, they see that their actions can make fun things happen—hey, that's cause & effect!