The Smart Math Roller

Still manually writing arithmetic questions for your child?

Advantages:

• Addition, subtraction and multiplication questions to choose from.
• Easy roller design with a 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 sequence.
• 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)