Dream Big with Barbie Discover the magical, make-believe world of Barbie Dreamtopia! Imagined by Chelsea‚ the youngest sister of Barbie, Dreamtopia is filled with fantastical kingdoms like that of Rainbow Cove. The color-filled land has rainbow rivers, fluffy clouds, mermaids, fairies, and princesses, like the Barbie Dreamtopia Brush n Sparkle Princess doll. She brings magic to playtime with light and sound shows that start when the button on her bodice is pressed or her hair is brushed with the included "magical" brush - so cool! Brush Dolls Extra-Long Hair to Start the Show! Kids simply brush Barbie princess dolls hair with the included brush or press the button on her bodice to start one of four dazzling shows. Her hair is extra long - seven inches!