This magic plasma ball combines ornamental, decorative and research-based value with an electric lighting source as a whole; Can be used as an artwork or a gift; The gorgeous rays are in an irregular variation at the static situation; When touching the sphere, the inner rays move as the fingers' track with the fantastic shining; It is in cause lighting while, also will form the negative air ions to purify air and kill germs by neutralizing the smoke and dust with the positive charge; Suitable for household, bar, restaurant,etc.