The Smart Math Roller

Still, manually writing arithmetic questions for your child?
Roll gently and 100s of math problems will appear immediately. Cute and practical.

SKU:	Smart-Math-Roller

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Advantages:

Addition, subtraction, and multiplication questions to choose from.
Easy roller design with gear to adjust question sequence.
Ink comes with the box, which can be reused again!
Efficient and quickly gives you 100s of practice questions, no smudge, no fading!
Rotate to adjust 10 different question sequences. Small and exquisite, easy to carry.
Specification:
Weight: 120g
Material: Plastic Choices: Addition, Subtraction, and Multiplication
Colors: Blue and Pink Size: 4.4*3*4.8cm/1.7*1.2*1.9in
Package Contents:
1x Arithmetic Artifact (Contains seal ink)