A traditional puzzle made of a square divided into seven pieces (one parallelogram, one square and five triangles) that can be arranged to match particular designs
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Like building blocks, tangrams can teach kids about spatial relationships. 

They may help kids learn geometric terms and develop stronger problem solving skills. 

They might even help children perform better in general mathematics. 

A tangram is a Chinese puzzle consisting of 7 shapes

Stimulates and develops spatial and cognitive skills, visualisation of figures and dopiing it.

Helps kids learn geometric terms and develop stronger problem solving skills