• Perfectly balanced and capable of rotations up to an incredible 15,000 rpm
• Built-in blue LED light - glows brighter as gyro rotates faster
• A fun and practical demonstration of physics properties (centripetal force, etc.)
• High-quality materials and construction
• Great strengthening tool
• Can provide gentle rehab for carpal tunnel, RSI, arthritis, tendonitis
• Unique digital counter that displays rpm and/or highest speed
• Does not require batteries

Pick your own numbers or let the computer pick them for you by asking for an easy pick.