The fastest and most perfectly balanced hand gyro range on earth -capable of reaching speeds in excess of 15,000rpm all powered simply by your own hand! This superlative instrument comes complete with a digital speed meter to allow you monitor your power improvements on a daily basis and test your skills against both your friends andNSD Powerballers throughout the globe on the Top 100 scoreboard! (batteriesare already installed - approximate 3 year life span) Also included careful operating instructions and 2 starter cords.
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