New Mechanical Metronome Piano Violin Musical Instruments
Teak Antique Vintage Style Mini Mechanical Metronome Piano Guitar Violin Musical Instruments Features -Adopting high quality pure copper clock mechanism,offer you a precision rhythm -Adopting pyramid shape and rigorous design style,beautiful and practical -Help children develop speed concept -Help us to play music with more smooth and steady rhythm -Help us to focus on, improve the practice efficiency -Precision spring mechanism Specifications Material: PVC Copper Color:wooden color Size: 33*