Abstract: A back panel for a mobile phone having an operating system supported on an infrastructure having a front and a rear, and a front panel overlying the front of the infrastructure, wherein the back overlies the rear of the infrastructure, and has a chassis for securing to the rear of the infrastructure, and a transformable main member having a plurality of interlocking elongate, prismatic elements selectably locked in a side by side, coplanar formation thereby to extend across the rear of the infrastructure, the transformable main member being adapted for transformation into a selfie stick by extension of the plurality of interlocking elongate, prismatic elements in a direction transverse to the chassis and to the infrastructure, a first end of the selfie stick being supportively connected to the chassis and a second distal end being a free end, adapted to be held in the hand of a user thereby to facilitate support and operation of the mobile phone by the user.