Yoyo King Yellow Merlin Professional Ball Bearing Axle Yoyo for Pro Tricks LONG SPIN BALL BEARING AXLE YOYO. These make great yoyos for kids and adults who want a high performance yoyo. GREAT PERFORMANCE. Optimized to find the best balance, long spin times, stability, and ease of catching on the string SUPERIOR YO-YO SHAPE. Merlins flared gap shape adds weight to the outside edges of the yoyo for long fast spins WAKES UP WHEN YOU TUG THE STRING. Silicone response system. Ball bearing axle for super long spin times! Includes a yoyo string. Narrow C sized bearing. If you like nonresponsive yoyoing, put in your own wide C bearing and you're all set. Durable plastic construction.