To provide a teether toy which can give a soft feeling and a hard feeling simultaneously when chewed so that the feeling corresponding to a hardness distribution related to a position of a chewed object can be developed.

The teether toy includes at least a holding part and a teether part 18 which is a part to be chewed. The teether part is equipped with a core material 25 as a hard material and an elastic body 11a which covers a surface of the core material and forms a deformation part, wherein the above core material is equipped with a convex part and/or a concave part.