To provide a rolling robot provided with a lightweight and rigid body case.

The rolling robot 1 includes a motor having a rotary shaft, a rotary member mounted on the rotary shaft, and a substantially cube-like body case which encloses the motor and the rotary member. The body case 2 includes a case frame 51 composed of a plurality of frames (52-57) formed in an annular shape by metal to be mutually connected in an integrated manner, and a case cover composed of a plurality of plate members (62, 63, 64) formed in a sheet-like shape by resin to cover each between the frames (52-57).