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: 69g
• Material: Plastic
• Choices: Addition, Subtraction and Multiplication
• Colors: Blue and Pink 
• Size: 4.4*3*4.8cm/1.7*1.2*1.9in
• Contains seal ink

⚠️Attention⚠️
This product is in high demand
Few units left available
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Buy it right now. Order now and pay when you receive it.