The Computing-in-head is practiced with the domino game. Medium difficulty - up to two basic operations per domino.
The dominoes are made from local beechwood in Germany. Each block is checked when sorting by hand for quality. The colors are also manufactured in Germany. They are non-toxic and sweat and saliva.
Dimensions: 200 x 165 x 30 mm
8 years
here along with a question
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