Sennen Kyu Moxibustion Trial Set - 2 Boxes, 2 Sets, Total 20 Pieces This is moxibustion called Sennen Kyu, which uses fire. * Regular Kyu Ibuki: 5 pieces * Soft Kyu Chikubushima: 5 pieces Two sets of 2 boxes. Each box contains 5 Sennen Kyu. Price not negotiable. New, unused. Free shipping.