If your not aware what these are then you’re in for a treat! You will have the ability to blow into the pipe and make the wheel spin, but hand it to a friend and they get covered in talcum powder.
We supply the handmade apparatus (no two will be exactly the same but look as shown on the picture). The size is approx. 25 x 15 cm’s. We supply it complete with carrying/protection bag, secret instructions and cleaning-rod.