What is barbie reveal color?

Barbie Reveal Color is a series of Barbie dolls that feature a unique color-changing effect. The dolls come with a special pen that allows children to draw on their clothes, hair, and accessories, causing them to change color. The dolls have a special technology which responds to the heat of the pen, making it possible to create custom designs and styles on the doll's outfit. The set includes multiple outfits, accessories, and a variety of pens to create endless design possibilities. This product is designed for children aged 3 years and above. The Barbie Reveal Color series is an imaginative and entertaining toy that encourages creativity and self-expression.