ADVANTAGES This is one of the best non-responder jojo premium with powerful rotation, excellent stability and excellent performance. HIGH EFFICIENCY Premium non-responsive yo yo has a stable and balanced high speed program. Super smooth sandblasting, the surface never fades and is not easily scratched. ALUMINIUM ALLOY Aluminum metal jojo, metal ball shell and stainless steel bearings to increase the shock and fall resistance of aluminum jojo. TRAINING ABILITY Advanced game requires constant training. Non-response training can practice motor coordination, develop perseverance and patience in children, and improve communication skills. PERFECT GIFT this yo yo alloy is very professional and is the perfect dla children, family and friends. Recommended do daily training of children or do use at 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 inches List of packages 1 x jojoli> 3 x stringli> 1 x gloveli> 1 x instruction manualli>