three-needle linkage clock dial table model teacher blackboard demonstration teaching aids primary school mathematics time cognitive science and education instrument 三针联动钟面表模型 教师黑板演示教具 小学数学时间认知科教仪器

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A three-needle联动 dial model, designed specifically for elementary school mathematics time recognition.

A large blackboard demonstration shows clearly how the hour, minute, and second hands move together, helping children easily master time reading.

Addressing abstract and difficult pain points, synchronized teaching to enhance classroom interaction.

With national security certification, guaranteed brand reputation.

Let children love time and cherish every moment. The top choice for teachers, trusted by parents.