Eini munurinn a Dyna-Flex Pro Plus boltanum og Powerball boltanum er ad sa sidarnefndi er med innbyggdum rafal og diodu ljosum sem kviknar a tegar boltinn byrjar ad snuast.

Powerball er einnig a tilbodi 2.990 kr.

"[F]eaturing the same user-friendly features as the Dyna-Flex Pro Plus but incorporating an on board generator. By activating the gyro, a dynamism (motion) is created, which will activate LED lights, located in the interior of the gyro. The faster the unit runs, the brighter the lights will be until the whole hand is engulfed in a bright glow."