This rocket pencil is for abacus use, so it is shorter than the rocket pencils sold at stationery stores and is not commercially available. One rocket pencil contains 8 leads. 1 box → 526 yen (shipped by regular mail) 2 boxes → 734 yen (shipped by Yu-Packet Plus Mini) 3 boxes → 885 yen (shipped by Yu-Packet Plus Mini) 4 boxes → 1,100 yen (shipped by Yu-Packet Plus Mini) 6 boxes → 1,615 yen (shipped by Nekopos) 12 boxes → 3,020 yen (shipped by Nekopos) If the desired number of boxes is not listed, please order from the comment section. Bundling is welcome! You might save on shipping costs. #soronyan abacus教材 ← You can see all the abacus teaching materials here. Please read the profile carefully❗️❗️❗️ and purchase without commenting if you have no questions or need to bundle.