Babushka doll:
Babushka or matryoshka doll , also known as Russian nesting/nested doll, refers to a set of wooden dolls of decreasing size placed one inside the other. They are sometimes incorrectly referred to as "babushka dolls" (grandmother doll). The first Russian nested doll set was carved in 1890 by Vasily Zvyozdochkin from a design by Sergey Malyutin, who was a folk crafts painter at Abramtsevo.