Function: ADVANTAGES: It is one of the best premium non-responsive yo-yo with powerful rotation, excellent stability and excellent performance. HIGH PERFORMANCE: Premium unresponsive yo yo has a stable and balanced high speed program. Super smooth sandblasting, the surface never fade and scratched easily. ALUMINUM ALLOY: Aluminum metal yo-yo, metal ball shell and stainless steel bearings to increase the shock and fall resistance of aluminum yo-yo. TRAINING ABILITY: Advanced game requires constant training. Non-responsive training can exercise coordination, develop endurance and patience in children, and improve communication skills. PERFECT GIFT: This yo yo foot is very professional and is a perfect gift for kids, family and friends. Recommended for everyday training of children or for use in competitions. Specification: Item Type: Yoyo Product material: aluminum alloy Product Size: Approx. 5.5 x 5.5 x 4 cm / 2.2 x 2.2 x 1.6 inch Package List: 1 x yo-yo 3 x string 1 x glove 1 x User Manual Install the rope and you can use it.