Age: 3+. The Barbie scientist doll and accessories allow children to imagine their careers as scientists. Barbie scientist wears a tie-dye dress with her white lab coat. Create different experiments with the colour-changing test tube, Petri dish and other scientific accessories. Barbie Career dolls come in a variety of looks, with different hair colours, skin tones, eye colours and body types, and their modern outfits help spark imagination in pretend play.