Features: Abundant package: You will get 20 pieces of fingertip spinners for boys, which can exercise fine motor skills, hand and eye coordination, fast reaction ability and logical thinking skills. They are good for muscle development and positive growth. Reliable and sturdy: These mechanical cool finger spinners are made of quality ABS plastic, pressed at high temperature, fine craftsmanship, can serve you for quite a long time. Specifications: Material: ABS plastic Color: as shown Size: as shown Package includes: 20 x Finger spinners Notes: Manual measurement, please allow slight errors on size. The color may exist a slight difference due to different screen displays. CPSIA Warning: ChokingHazardSmallParts Suitable for 6 years old and above.