new curriculum standard polygon splicing strip primary school mathematics strip splicing strip geometric figure teaching aids science and education instrument 新课标 多边形拼接条 小学数学条形拼搭条几何图形教具科教仪器

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New curriculum standard polygonal splicing strip, geometry teaching aid for primary school mathematics.

Bar-shaped pieces can be freely arranged, helping you easily understand the relationships between shapes and edges.

Solve the problem of children having difficulty with spatial imagination and less hands-on activity.

With safety certification, HUANBAO is durable.

With brand-backed teaching and research support, learning becomes as fun as a puzzle, fostering interest in mathematics and developing logical thinking.