One Touch Abacus Abacus 23 Digits 4 Beads Standard Soroban Elementary School Students Math Learning Mental Calculation Unit

This is a one-touch 23-digit abacus that returns the beads to the banked state with the push of a button. Comes with a convenient special case. Especially recommended for exams and competitions. In exams and competitions, you flick the ball while writing, so you can save time by writing with your right hand and pressing the button with your left hand. Comes with an original abacus case, convenient for carrying and storing! A simple and timeless design. It has a loop so you can hang your case on it. The inside of the case is made of wool to protect it from dust and scratches. Abacus size: Height 6.3cm Width 34.5cm Thickness 1.7cm Case material: Surface PU leather Interior wool fabric Please use it in a variety of situations, such as in lessons/classrooms, at the workplace/business, for brain exercises and finger exercises. [(Nanairokan) One-touch Abacus Abacus 23 Digits 4 Beads Standard Soroban Elementary School Students Math Learning Mental Calculation] This is a one-touch 23-digit abacus that returns the beads to the abacus state with the push of a button. Comes with a convenient special case. Especially recommended for exams and competitions. In exams and competitions, you flip the balls while writing, so you can save time by writing with your right hand and pressing the cancel button with your left hand. Comes with an original abacus case, convenient for carrying and storing! A simple and timeless design. It has a loop so you can hang your case on it. The inside of the case is made of wool to protect it from dust and scratches. Abacus size: Height 6.3cm, Width 34.5cm, Thickness 1.7cm Case material: Surface PU leather, interior Wool Please use it in a variety of situations, such as in lessons/classrooms, at work/business, for brain exercises and finger exercises. *Instruction manual is not included.