Feature:1. Easy 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.2. Widely 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.3. Bright 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.4. Fun and Nostalgic: Slide whistle toy is perfect for playing songs, imitating birds, making funny sounds, and creating your own videos or musical compositions.5. Safe 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.Specification:Item Type: Slide WhistleMaterial: ABS, aluminum alloy.Package List:1 x Slide Whistle1 x Manual