1. Long-lasting use: The triangle is made of metal, which is strong and reliable, not easily broken, deformed or bent. The firing pin is made of steel with a rubber tip and a surface that does not scratch hands, suitable for long-term use. 2. Crisp sound: Each triangle is equipped with a metal firing pin for easy handling. It has fine sound quality, producing a clear, crisp and energetic sound that is pleasant. 3. Versatile: This adult percussion instrument can be used for rhythm instruction, music lessons, music clubs, concerts and more. It helps to develop musical ability and sense of rhythm in a practical and convenient way. 4. Enough to use: You will get 10 children's instruments and 10 firing pins, which are sufficient for use or replacement. You can also share them with your children. 5. Easy to grip: Each side of the triangle is about 6 inches long, making it easy for children to grip. It is portable and light, and can be stored and carried without taking up too much space. 6. Colour: Silver + yellow 7. Material: Metal + plastic 8. Size: 15cm 9. Package Contents: 10 x Triangle instrument. Only the above package content is included, and other products are not. 10. Note: Light reflection and different displays may cause the color of the item in the picture to be slightly different from the real thing. The measurement error is allowed to be +/- 1 - 3cm.