Pink tower AO2007
Brown stairs AO2010
Long bars AO0001
This aid helps to introduce the con- cepts of: big-bigger-the biggest, small-smaller- the smallest, bigger than … It also develops motor skills, coordinates movements, shapes the concept of order. 10 wooden blocks in pink; the size changes three-dimen- sionally, i.e. the smallest cube is 1 cm wide and the largest 10 cm.
Simultaneous change of two dimensions and weight. Correlation and concepts: thick - thin, thick - thicker - the thickest, thin - thinnest - the thinnest. 10 cuboids blocks with a height of 20 cm; made of solid brown varnished wood; subsequent blocks differ in the size of their base: the smallest 1 x 1 cm, the biggest 10 x 10 cm.
Concepts of the difference in length and size of objects (long - longer - the longest, short - shorter - the shor- test) 10 red cubic balks of different lengths; the length increases by 10 cm (from 10 cm to 1 m) respectively simultaneously with the weight of each balk; 25 x 100 x 2,5 cm
Baric tablets AO2009
Set of 3 boxes with lids, in each box there are10 wooden bo- ards. The board sets are in different colours and they also differ in weight. The colour of the boards suggests their weight. Dark - heavy, brighter - lighter, brightest – lightest. By using these boards, children not only develop concentration and muscle- -motor coordination, but also acquire and perfect the ability to distinguish the weight with their hands. They are also introduced to the terms related to the concept of weight: heavy - light, gra- dation of these terms, heavier than ..., lighter than … • 30 elements in 3 boxes: meas. of the board: 6 x 0,5 x 8 cm; meas. of the box: 13 x 13 x 7cm; material: wood; age: 3+
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