[Responsive Yoyo for Beginners] MAGICYOYO K2 PLUS is one of the top recommended functional entry-level yo-yos from MAGICYOYO. It is an excellent kids' yoyo, ideal for beginners to practice basic string tricks including 1A, 3A, and 5A. With just a gentle tug on the string, it returns to your hand easily.[Dual Purpose Yoyo Also Pro Unresponsive Yoyo] The K2 yo-yo is responsive out of the box with a slim bearing. An unresponsive KK bearing is included in the package. When you're ready to advance, simply replace the bearing with the included KK bearing to convert it into an unresponsive yo-yo. No need to purchase a second yo-yogreat value and versatility.[Premium Quality] Made from high-quality PC material, this yo-yo features a beautiful crystal finish, is wear-resistant, non-toxic, and safe for children. Durable and sturdy construction makes it a perfect gift for kids, friends, beginners, and familyideal for Christmas, birthdays, or other occasions.[Important Notes] 1. For responsive mode, if the yo-yo does not return smoothly, apply a small amount of lubricating or rust-proof oil to the inside and outside of the bearing. 2. When converted to unresponsive mode, the yo-yo will not return to your hand with a simple tug. You will need to perform a "bind" trick to bring it back.Body Shape: Butterfly Diameter: 55.33 mm Width: 42.67 mm Gap Width: 4 mm Bearing: Narrow C Bearing Axle: M4 x 8mm Surface: Shining Finish Style: String Trick (1A, 3A, 5A) Response Pad: Silicone Pad (random color, specific color cannot be selected) Twist-Apart Design String Length: 43.31 in / 110 cm Material: PC Color: Green Package Contents: 1 x Bearing Puller 5 x Replacement Strings (random color, specific color cannot be selected) 1 x Storage Bag 1 x 10mm Screw 1 x 8mm Ball Bearing Note: The package includes only the items listed above. Other accessories shown are not included. Lighting and display settings may cause slight color variations between the image and the actual product. Measurement may vary by 1-3 cm.