The collection includes Big crystal seal, Chinese Old inkstone, Hand-operating Calculator, Military commander Masamune date and General Ieyasu Tokugawa's Pencil, Casio Relay Calculator, Portable brush pen and ink case in Edo period, Abacus, Chinese rock seal material, ink bottle, stationery of the year recently award products, the world's paper knives, antique fountain pen, register, Taishi inkstone and good, Mechanical Calculator, Yatate and Big writing brush.