A hobby robot having a support structure includes a cavity defined within the support structure, wherein the cavity includes means positioned within the cavity for removably coupling at least one mounting element to an interior portion of the cavity. The support structure also includes means for securing an encasement shell to the support structure. The mounting element may be a tray or hardware that performs a desired function in connection with the operation of the robot. The support structure is adapted to receive a self-contained power source and means for imparting motive force to the support structure.