To provide a set for selling replacement parts of an electric type toothbrush capable of allowing a user to exchange a brush at an appropriate timing without resorting to any circuit processing means.SOLUTION: The brush can be exchanged with a replacement brush 5 by being supplied with electric power from a power source composed of a predetermined number of batteries 6. Further, it is possible to exchange brushes with a replacement brush 5, and furthermore, it is possible to replace brush with a predetermined number of batteries 6 and integration time of replacement brush 5 , Which is applied to an electric type toothbrush which is substantially the same as that of the first embodiment, wherein one set or two or more pairs of a predetermined number of batteries 6 and one replacement brush 5 are combined Packed in order.BACKGROUND OF THE INVENTION【課題】なんら回路処理的手段に頼ることなく、ユーザをして、適切なタイミングでブラシ交換を可能ならしめる電動式歯ブラシの交換部品販売用セットを提供する。【解決手段】所定本数の電池6からなる電源により給電されて動作し、替えブラシ5とのブラシ交換が可能であり、さらに、所定本数の電池6の耐用積算時間と替えブラシ5の耐用積算時間とがほぼ同一とされた電動式歯ブラシに適用される交換部品販売用セット1であって、所定本数の電池6と1本の替えブラシ5とを組として、1組又は2組以上を、一体的に包装してなる。【選択図】図1