Win a gorgeous prize by answering questions related to the Plasmacluster ion generating technology developed by Sharp that solves various air-related troubles such as obnoxious smells or mold inside rooms and smells that adhere to clothes.

First, select a course and take the quiz with checking the hints! The more difficult the course is, the more gorgeous prize you have a chance to win! All users are eligible for entering every one of the courses one time each!