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The combination of the pen extender and the sharpener is designed to solve the problem of waste of resources caused by too short pencils. At the same time, pencil wood and pencil cores are collected separately. Pencil cores are collected and reused, Pencil wood is used as fertilizer for seed growth. During the process of using pencils, you can observe and witness the growth of life.
When buying it, you can choose the plant seeds you want to sow.