1. New, high-quality and popular 2. It is not daily entertainment, but also for acrobatic performance with most entertaining fancy 3. Designed to train fine motor skills and eye-hand coordination 4. It can cultivate the imagination, creativity and rapid reactionability 5. A perfect toy , friends, families, etc Parameters: Series K1 Style String Trick (1A, 3A, 5A) For Age Age 8 up Condition: New Weight: 60g Diameter: 51.03mm Width: 41.01mm Gap Width: 4.38mm String Length: 43.31 in/ 110 cm Body Material: PVC Package Include: 1 x K1 Yoyo 1 x String Note: Random color, 't accept the specified color. Note: Light 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.