If you are a coach, guess you need to get this for your student so they can do no cheating in the push up. It is from a Japanese toy manufacturer, the electronic Push-Up Counter. It has a LED screen displays the true count up to 999 consecutive push-ups. Sorry to tell you that only Japan coach can get one as it is a Japan-only product, goes for ¥1764 ($15 USD).

[via New Launches]