There are several different shapes in jigsaw puzzles.

There are three different figures in the jigsaw puzzle.

Tangram consists of three groups of figures, namely, five isosceles right triangles, a square and a parallelogram. Through these seven boards, 1600 kinds of figures, including triangles, parallelograms and irregular polygons, can also be spliced into various figures, images, animals, bridges, houses and towers. And some Chinese and English letters.

Tangram was invented by working people in ancient China, and its history can be traced back to at least the first century BC, and it was basically finalized in the Ming Dynasty. Ming and Qing dynasties were widely circulated among the people. In the first volume of Cold Records Miscellaneous Knowledge, Yi wrote: "Recently, there are seven ingenious maps with five shapes and seven numbers, with as many as 1,000 variations. The body is small and changeable, and the tools of the game are enough to dispel boredom and break the silence, so secular people like it. " .

The benefits of playing jigsaw puzzles:

First, it is conducive to improving performance ability, overcoming fear and increasing self-confidence. Children's songs are in the form of rap, allegro and dance; Stories can be compiled into dramas, cross talks and sketches, so that children can easily perform on the stage.

Second, it helps to improve memory. By locating memory, flashing cards, using different colors and different graphics, and activating the brain through games, the magical effect of unforgettable memory can be achieved.

Third, it is conducive to improving the ability to improvise. Listening, speaking, doing and playing are integrated, and attention is highly concentrated, which is conducive to thinking and reaction.

Fourth, it is conducive to the cultivation of thinking imagination ability, and improve children's divergent thinking through the mind map designed for children. Broaden educational horizons.