Whirly Bird Warbler

A warbling whistle, that sounds like birdsong. Here is what it sounds like:https://drive.google.com/file/d/1NIMa9piYLVQMylbNMM2er0DqItxT2Rjw/view?usp=drivesdkPrint the design, push fit the lid by aligning the notches and v section (press until flush).If your lid is loose fitting due to print tolerances, superglue it in place for safety.Attach a 40 - 50cm string securely to the eyelet, and whirl it around like a slingshot.As you change the speed of the spin it will vary the pace of the warbling birdsong. Use caution when spinning, we don't want to hit people or objects.