Feature 1Easy to Use: Slide whistle allows for smooth transitions from low to high notes and the sliding mechanism allows for easy tuning with a simple slide of the finger. 2Widely Used: Slide whistle toy is not only a fun and creative toy, but also a useful educational tool and musical instrument. Suitable for children playtime, family games, and music performances. 3Bright Colors: Comes in a variety of bright colors that add vibrancy and energy to your daily life, which can be used as a tool for interacting with parents, children, and music loving friends. 4Fun and Nostalgic: Slide whistle toy is perfect for playing songs, imitating birds, making funny sounds, and creating your own videos or musical compositions. 5Safe and Reliable: Made of durable and lightweight materials with a smooth edge design, which is safe and reliable for long term use without causing harm to the user.Item Type: Slide WhistleMaterial: ABS, aluminum alloy .wang-edit-text{ font-family:'Arial' !important; } .wang-edit-text table { border-top: 1px solid #000; border-left: 1px solid #000; } .wang-edit-text table td, .wang-edit-text table th { border-bottom: 1px solid #000; border-right: 1px solid #000; padding: 3px 5px; } .wang-edit-text table th { text-align: center; }Package List1 x Slide Whistle1 xManual