Rich In Content

Addition, subtraction, multiplication and division of numbers within 1-100, four mathematical operation methods, to cultivate children's computing ability and learning fun, suitable for student practice, teacher teaching, parent guidance.

Teaching Stamp

The digital mathematics stamp roller is small and exquisite, and can be carried around and placed in the pencil case. Improve Math Skills and Improve Concentration.

Convenient And Fast

By scrolling the stamp, there will be math problems, which can be randomly selected.

Recycling

Contains refills of ink, when the ink is used up, open the oil cap, drop 5-8 drops of ink, and continue to use it after the ink is completely absorbed.

Specifications:

Style: Addition/subtraction/multiplication/division

Color: Blue/pink

Origin: Mainland China

Subject: Mathematics

Package includes: 

1* seal +1* oil