ACME 210
The Acme 210 is a flute with a small pearl-like ball in it.

ACME's plastic flutes work with numbers for different pitches.
The advantage of this is if you have lost the flute. The number of the flute will tell you which one is best for you to purchase.

• Has a frequency of 4750 to 5250 Hz.
• With built-in vibrator.
• Material: plastic.
• No problems with weather influences