Maotaizi Tianzi Ge Stamp, Elementary School Student Ten-Layer Stupa, Multifunctional Four-Line Three-Grid Teaching Pinyin Clock, Teacher Error Correction Tool, Children's Reward Stamp, First Grade Seal

4. Material & Safety

• Water-soluble, non-toxic, and environmentally safe ink compliant with 3+A3:2018 standards.
• Tested for heavy metals and harmful substances (Cd, Co, Cu, Pb, Hg, Ni, Sr, Sn, Organic Tin, Zn) with all results below detection limits or within safe limits.
• Certified safe for children’s use.

5. Dimensions

6. Usage Instructions

• Apply ink evenly on the stamp surface and allow absorption before use.
• Use the positioning lines and stamp holder for accurate and neat stamping.
• Clean excess ink with tissue paper after application.

7. Packaging

• Stamps may come with either new or old logo on the top cover, shipped randomly.
• Quality assurance maintained consistently.

8. Additional Notes

• The "Stacking Acrobat" stamp equals the functionality of ten ordinary stamps.
• The "Four-Leaf Clover" six-sided stamp offers six correction functions in one unit.
• Both series utilize advanced photosensitive technology for superior stamping performance.
• Laboratory tested data provided for reference only.

9. Contact

• Manufacturer:
• Quality and safety certifications available upon request.