The beaver after man is the second most remnant species. By swelling rivers, a much more diverse wetland will create. So the beaver is a nature conservation volunteer. Few people know, for example, that these wetter habitats often even stop the spread of forest fires.

The bone of its skull is very thick. The chewing muscles between the skull and the jaw are extremely strong. Its incisors serve as a chisel. During the Stone Age, the beaver teeth were also used as a chisel, as evidenced by many finds. During the fighting, the tooth of the beaver can even serve as a murderous weapon.

The completed size of the puzzle is 97 x 40.8 x 53mm.