Sidekick Yoyo Pro Black & Silver Reverse Splashes REsponsive Professional Yo-Yo Aluminum Alloy High Speed Professional Responsive Yoyo Intermediate Level - Ball Bearing Trick Yoyo - Improves Coordination, Flexibility, Hand & Wrist Strength. Extremely Fun Skill Based Yoyo For Hours & Hours Of Fun. Keeps You Off The Couch And Off The Phone. 3 Extra Strings Included & Collect our entire collection of Sidekick Pro YoYos. Diameter 55MM (2.17 Inches) / Width 43MM (1.69 Inches) / Weight 68 Grams