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. Brand new, unused. Free shipping.