Piano Keychain: The mini handheld piano is real working, playable,which is more fun.Portable & Convenient:Mini Size Finger piano keychain is small and lightweight, is easy to carry around and play on the goInteractive Fun:You can play piano alone or with friends and family for hours of fun and bonding timeSturdy Design: Tiny electronic keyboard keyring made with quality materials, built to last and sturdyCompact Size for Easy Handling: With a length of 15.8cm, this small piano is great for on the go musical practice and fits comfortably in your hand or bag Size Chart: length: 15.8cm/6.22inch Package Includes: 1 Piano Keychain Note: 1.This is not infant toy , please take away from children to avoid eating.2.Please allow slightly errors 1-2cm/0.39-0.79inch differences due to manual measurement.