<p>Luminous Responsive Yoyo, yoyo balls glow K1-Plus come with regular flating </p> <p>made by ABS, Style String Trick (1A, 3A, 5A), Durable and has high performance</p> <p>Keep The Noctilucent yoyo under the light or in the sunlight for a few minutes to charge the glow effect</p> <p>Heavier than , and have more without weighting rings. A perfect toy , , families, etc; Recommended Daily Practicing or Competition.</p> <p>If There is A String Stuck: 1.Remove 2.Take a look at whether the ball is loose and the two hemispheres must be tightened 3. Attach properly.(The most important thing)</p> <p>Applicable moves: (1A, 3A, 5A)</p> <p>Weight: 65g</p> <p>Diameter: 51.03mm</p> <p>Ball width: 41.01mm</p> <p>Shaft width: 4.38mm</p> <p>: 8-ball U-shaped shaft</p> <p>Screw: *16mm</p> <p>Colour:blue</p> <p>:ABS</p> <p>Package Contents:</p> <p>1 * ball</p> <p>1 * gloves</p> <p>1 * velvet bag</p> <p>5 * rope (random color, specified color not accepted)</p> <p>Only the above package content, other products are not included.</p> <p>Note: Light and different displays may cause the color of the item in the a little different from the real thing. The measurement allowed error is +\/- 1-3cm.</p>