Published by Asahi Print Co. Includes 22 issues Will be lightly folded in half and shipped via anonymous Nekopos (domestic delivery service). Discounts on abacus materials are ❌. While combined purchases may save on shipping, they will not be priced below the list price due to copyright law. If you're struggling with mental calculation, please see below. #Soronyan Abacus Materials ← You can see all the abacus materials here. ⭐️ Obtaining the Abacus Level 1 certification can be used when applying for scholarships for university. Please don't give up at Level 2. Levels 2 and below are disregarded. Please read the profile carefully❗️carefully❗️carefully❗️ and purchase without comment if you have no questions or are not making a combined purchase.