Full view. You can get the pedometer on ebay for few dollars. There are many kinds of pedometer on market, in my mind, the cheaper one is better for building this winding machine. The magnet and reed switch can be bought as door alarm switch set in hardware shop. A old hand-driller.
Hand-driller's handle turning once, the coil will turning about 3.5 turns. So if the digital counter showed 100, the coil will be 350 turns. Each hand-driller may be in different rate, just test it before use it. A no-friction bicycle lights dynamo