ENTRY LEVEL RESPONSIVE YOYO - Professional YoYo T9 -Blue made of alloy 6061, style string trick (1A, 3A, 5A) DUAL FUNTION - Responsive yoyo T9 equipped with flat bearing, comes with an unresponsive bearing and long Axle, you can easily switch responsive yoyo to unresponsive yo-yo, learning more string tricks, from a yoyo beginner to advanced player. RESPONSIVE YOYO - While the yo yo is spinning, it will come back to your hand with a gently tug on string. TIPS: If the yoyo response difficultly, recommend applying a little rust-proof oil on the steel ball of bearing, it will works fine. BEST GIFT - YOYO T9 designed to train fine motor skills and eye-hand coordination, nice way to keep kids off the internet games. Colour:blue Material:Aluminum alloy Size:51.5mm in diameter Package Contents: 1 x Yo-Yo 1 x glove 1 x velvet bag 5 x rope (random colors, don't accept the specified color) 1 x Wide body R188 bearing 1 x 10mm screw 1 x shaft puller Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.