Abstract: A toothbrush may comprise a handle including an internal cavity, a first opening for receiving objects in the cavity, and a second opening for a button. A neck of the toothbrush may comprise a linking portion and a head portion. The first opening and the linking portion may be sized so that the linking portion of the neck slides inside the first opening of the handle. A button element comprising a pressing portion and a sealing portion, may be formed of a flexible material and formed in the second opening of the handle to seal the second opening. An electronic module may comprise a light element that may be activated by the button. When assembled, the linking portion may be inserted in the first opening and the electronic module may be contained within the handle or within the handle and the neck.