These are called Matryoshka Dolls, Nesting Dolls or Stacking Dolls. There are 7 dolls in the nest. The tallest one is
8 ", the smallest - 1 1/2"
Different kind of animals are depicted on each doll in this nest. Here you can find: the forest bears, an elk, the wolves, the Polar bears, an eagle, a deer and finally an owl.