Training clock (model). А375
21.03.2019Geoboard 5х5. А373
03.04.2019Puzzle “Tangram”. А367
There are many benefits to playing with Tangrams. They can be used to develop problem-solving and logical thinking skills, perceptual reasoning (nonverbal thinking skills), visual-spatial awareness, creativity and many mathematical concepts such as congruency, symmetry, area, perimeter, and geometry.