The new Barbie wears continuous glucose monitor (CGM), a device that tracks blood sugar levels, on her arm — while holding a phone displaying an accompanying app.

Mattel's latest Barbie doll raises awarness for type 1 diabetes. This segment aired on the KTLA 5 Morning News on July 9, 2025.

Barbie is expanding its representation with the launch of a doll that has type 1 diabetes, outfitting the toy with medical devices such as a wearable insulin pump that are regular sights for people with the condition.