A 43-year-old toy enthusiast from Singapore is defying traditional definitions of a typical Barbie collector. Childlike wonder: Jian Yang currently has over 12,000 Barbie dolls and an assortment of other toys, ranging from a Kylie Minogue doll to BTS members, as well as the new collectibles from the recent “Barbie” movie. While he outgrew other childhood playthings over the years, his affinity for Barbie dolls endured.