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The ten thousand flower ruler is composed of a female ruler and a child ruler. When painting, the child ruler is built into the mother ruler ring, the pen bucket is inserted in the small hole of the child ruler, and the circular motion is repeated. The function is to establish the child's concept of trajectory, symmetry, and circle to achieve the perfect unity of sensibility and reason.
This will exercise the children's left brain and improve their analytical skills.
Specification：
Size：23*23*3 cm
Age：3Y+
Material：plasic
