Sato Publishing Includes 15 lessons. Price: 700 yen Discounts are not available for abacus materials. If shipping costs are reduced when purchasing multiple items, the price may be lowered accordingly, but it will not be below the list price due to copyright law. I will adjust the price if you leave a comment. Shipping will be via anonymous Nekopos. Before applying for the certification exam, write the answers to the problem sets in a notebook. Once you have applied for the exam, practicing with the print collection is effective. Print collections are also available. If you are not good at mental calculation, check out the mental calculation hospital below. #Soronyan Abacus Materials ← You can see all the abacus materials here. Passing the 1st grade abacus exam can be advantageous when applying for scholarships for university admission. Don't give up at the 2nd grade level. Anything below 2nd grade will be ignored. Please read the profile carefully❗️carefully❗️carefully❗️ and purchase without commenting unless you have questions or are purchasing multiple items. Right brain activation Anti-aging Concentration Perseverance