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 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.
This is a stamp that assists in music creation, allowing you to express the thoughts in your head anytime, anywhere.
This is a roller seal with a pen cap function, which can make ripples, lines, patterns and other imprints.
A six-sided roller stamp, six different designs can be made from the one stamp.
A flash stamp with a hexahedral structure, six different designs can be made from the one stamp.
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