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A wooden box with a lid containing the yellow triangles for area calculations and exercises.
A wooden box with a lid containing the yellow triangles for area calculations and exercises.
Wooden box 34/24/3 cm
These yellow triangles help the child grasp the concept of area, along with the formulas for calculating the area of the rectangle, the parallelogram and the triangle.
The child gains in willpower and concentration. This helps build self-confidence and self-esteem.