Amazon has Mechanical Metronome in purple and black for $9.99 after coupon code (PMHCN669).
Black
https://www.amazon.com/dp/B01L8ZV3QA
Purple
https://www.amazon.com/dp/B01L8ZV3LK
Amazon has Mechanical Metronome in purple and black for $9.99 after coupon code (PMHCN669).
Black
https://www.amazon.com/dp/B01L8ZV3QA
Purple
https://www.amazon.com/dp/B01L8ZV3LK