To provide an exercise tool capable of performing exercise while enjoying and easily recognizing an amount of exercise as well.

An exercise tool main body 2 for exercise is provided with an amount of exercise detection means for detecting the amount of exercise accompanying the use of the exercise tool main body 2 and a growing game machine 4 for changing a character K corresponding to the amount of training transmitted from the amount of exercise detection means. Since the character K in the growing game machine 4 is changed corresponding to the training amount, exercise is performed while enjoying and the amount of exercise is easily recognized as well by the state of the change of the character K.