SUPER QUALITY: Bio-friendly, durable and nontoxic ABS material will maintain its original bright colors without any discoloration and is harmless for kids THOUGHTFUL DESIGN: With round arc design, the rattles are smooth in appearance so kids won\'t be hurt and keys are perfect for kids\' little hands to hold FOUR BUTTONS: 4 colorful buttons can make vivid sounds such as Doorbell, Car Unlock, Engine Start-up and Horn Honking sound 2-IN-1 FUNCTION: The rattle car keys can be both a car toy with lights and sounds and a rattle toy for kids. When you shake it, it functions like a rattle toy SUITABLE AGE: This Peradix 2-in-1 car rattle key is suitable for kids ages 18 months and up. It would definitely make your baby fondle admiringly