Rubber Gun / 連発ゴム銃

I was amazed by the wise mechanism of the four shooter of the rubber gun the son of my niece brought with him.
姪の子が持参した連発ゴム銃、そのメカに感激し、年を忘れて、一緒に遊びました。^^;

My niece, also an ophthalmology specialist took a visit to me with her only son.

    

She presented this glass to me.