Educational Games -T6 Toy Professional Alloy YoYo Ball Bearing Trick Toy Blue Highlights Brand Generic T6 Toy Professional Alloy YoYo Ball Bearing Trick Toy Blue Description: Series: T6 Material: aluminum alloy Style: String Set ( 1A, 3A, 5A) Bearing: concave bearing Similar to the perfect balance of the butterfly. Proper weight and size make the yoyo perform very well. Spins around rolling, with high-speed rotation Good for cultivating imagination, creativity and responsiveness, training fine motor skills and hand-eye coordination A great gift for kids to keep fit and healthy fun Size Chart: Diameter: about 50.4mm Width: about 41.20mm Gap width: about 4.21mm Package includes: 1 yoyo 1 string (the string color will be random) Note: Due to manual measurement, please allow 1-2mm differences in size Due to the light and screen difference, the item's color may be slightly different from the pictures. Try to understand