This is a biorhythm calculator developed by Mr. Kazumasa Masaki. It is a very valuable and rare item that is no longer sold. Our company is the only one that manufactures and sells it. You can instantly know your past and future biorhythms at any time. Also, if you know someone else's date of birth, you can find out their compatibility with you. Size: 110mm (H) x 90mm (W) x 16mm (D) Box size (approx.): 11.5cm (H) x 10.5cm (W) Color: White This listing includes the main unit, box, and instruction manual. Brand new, unused. The following is quoted from the HP: From the moment of birth, humans have three different rhythms: sensitivity, intellect, and physical. These rhythms continue throughout life. These rhythms are called biorhythms and have been studied by experts in medicine and psychology. Biorhythms are now considered so important that they are used in labor management by companies such as JR and private railway bus companies. The cycles of biorhythms are as shown in the diagram on the right, but usually, it requires complex calculations and drawing to derive biorhythms. However, with this "Masaki-style Biorhythm Calculator," there is no need for complex calculations or drawing; you only need to align the four discs. 《Features of the Masaki-style Biorhythm Calculator》 You can instantly know your past and future biorhythms at any time. Also, if you know someone else's date of birth, you can find out their compatibility with you. Please use it for the following judgments: ◆ Sex selection (male or female) ◆ Study ◆ Accident prevention ◆ Business ◆ Sports ◆ Thinking (ideas) ☆ Immediate purchase OK! No need to comment when purchasing! ◆ We are also selling on other flea market apps and online shops, so we recommend purchasing as soon as possible! ★ Thank you very much for browsing the product. You can buy it immediately. This account only deals with 100% genuine items. Please feel free to take a look at our high-end brand products that have maintained their strong popularity! #Biomate #Spiritual #Biorhythm #Fate #Fortune #FortuneTelling #KazumasaMasaki #MasakiFuchi