Mini Headache Whistle - Pack of 10

This product is 3D printed.

Four sound chambers are arranged inside the rectangular body of this novelty whistle. Each chamber has a different length, creating a design that combines several frequencies when blown. The four openings are visible at the end, and a corner eyelet provides a keyring attachment point.

Size: Standard Size.

• - Four sound chambers
• - Different chamber lengths
• - Four-opening rectangular end

Includes: 10 Whistles. Accessories pictured are for display.

Made to order in New Zealand.

Choose from the available colours and materials above.

Photos show an example of the item.

Approximate dimensions (Width × Depth × Height):

• Mini Headache Whistle — 10 supplied: 47.6 × 9.1 × 7.8 mm each.

Design example shows one whistle; pack contains 10 printed whistles.

Metal keyring is a demonstration accessory and is not included.