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💝99.3% of parents choose Set-4, including 4 devices for addition, subtraction, multiplication and division and 4 bottles of ink, so that children can get better improvement.
This Brain Improvement Device Can Help Your Kids Learn Maths With Joy!
Features:
- 💗Quick and Convenient: With our rotary design, you can easily adjust the column type . Plus, it's quick-drying and reusable after refilling ink.
- 💗Save Time and Effort: No more tedious math prep! With our roller stamp, gently scrolling, ccan efficiently and quickly print out math practice questions.
- 💗All-in-One Device: Our roller stamp covers addition, subtraction, multiplication, and division, making it a versatile tool for any math lesson.
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💗Reusable and Durable: Our roller stamp is small, portable, and can be reused after adding ink. The imprint is clear, and the color doesn't fade or smudge.
Q & A
Q: Will the printed math problems be repeated?
A: The seal can print ten math problems by turning one circle, and needs to be adjusted after one circle, otherwise there will be duplicate questions. It is recommended that the four seals be used alternately to enrich the question types.
Q: Will the ink spill?
A: The ink bottle is airtight and will not leak. We recommend closing the cap of the bottle in time when the ink is not in use to prevent the ink from drying out. A small amount of ink on the printing paper is normal and does not affect the writing effect.
Q: What do these stamps do?
A: Our Math Roller Stamp is not only convenient and fast, but also can cultivate children's logical calculation ability and improve the speed and accuracy of oral calculation. Strengthen the bond between parent/teacher and child.
Specification:
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Material: Plastic
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Shape: Rectangular
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Weight: 69g
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Size: 8*5*3cm
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Color: pink, blue
Package includes:
Certification
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