These whistles are worth the fair price, and do get as loud as claimed, but you really have to give it a good tweet to do it. Any kid who tried did not succeed. I don't fully understand the intricacies of 3D printing, so I don't know if there is a way to make these with a more reliably loud result.
Beautiful whistle! It looks even better than I'd hoped and will make a lovely necklace as I intended. It's not quite as loud as I'd hoped, but I believe that's a design flaw, and the design is open source, not by this seller.
Thanks, will highly recommend to friends!
The whistles were described as changing color in sunlight and they did not. The whistle was not loud. It did not meet my expectations. The whistle was very weak.
Good quality product. Am happy with purchase.