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The “Gospel” of the New Century for Kids—Arithmetic Stamps!!
No AMS required, no glue needed—assembly is quick and effortless.
The set includes four types of arithmetic problems: addition, subtraction, multiplication, and reverse‑fill-in puzzles;
Each operation offers 100 unique variations, ensuring that kids stay engaged and never get bored with their practice.
Here’s the installation guide:

Originality of the Model
The author declares that this work is their personally original model
This model is licensed under the following terms:
This work is licensed under a Standard Digital File License. Digital files have a strict non-commercial, personal use only license.
You shall not share, sub-license, sell, rent, host, transfer, or distribute in any way the digital file or 3D printed versions of this object, nor any other derivative work of this object in its digital or physical format (including remixes of this object). You can not host these files on other digital platforms, web stores or cloud repositories. The objects may not be used in any way whatsoever in which you charge money, collect fees.
Models(14)
算术印章.3mfDesigner7.77 MB
2025-10-03
Mirror□二.STEPDesigner3.56 MB
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Mirror□一.STEPDesigner2.38 MB
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Mirror乘二.STEPDesigner3.23 MB
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Mirror乘一.STEPDesigner3.67 MB
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Mirror加二.STEPDesigner3.74 MB
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Mirror加一.STEPDesigner3.86 MB
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Mirror减二.STEPDesigner3.22 MB
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Mirror减一.STEPDesigner4.50 MB
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盖子.STEPDesigner117.25 KB
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内爪.STEPDesigner128.47 KB
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内轴.STEPDesigner39.73 KB
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右壳.STEPDesigner353.27 KB
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左壳.STEPDesigner347.24 KB
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