1. Metal casing, German ink storage pad 2. Suitable for seals made of various materials 3. When the fuel consumption for printing is exhausted, ink can be added 4. Clear imprint, insoluble 5. Does not spread when in contact with water
1000 questions 3 rounds of 1000 addition and subtraction Thousands of mathematical operations rolling out the problem stamp teacher teaching stationery arithmetic problem students addition and subtraction exercise calculation Application scope (usage scenario) : addition and subtraction operations Product features: teaching toys. The package contains: 1 seal. Main material: ABS environmental protection material Net weight: 0.1 (kg). 3.53 (ounces) Product volume: 80×50×30 (mm). 3.15 x 1.97 x 1.19 (inch) Imprint size: 32×6 (mm). 1.26 x 0.24 (inch) Cross-border logistics package weight (including packaging) : 0.3 (kg) Cross-border logistics package size (including packaging) : 100×70×50 (mm)
This is a roller stamp with a secret covering function, which can easily cover personal information or confidential content on the paper.
This is a math practice stamp that uses a roller to change numbers, addition, subtraction, multiplication, division, fill in the blank, etc., each stamp at least 100 different exercises.
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