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DEVICE FOR EXAMINING AND MEASURING LOGICAL AND CONCENTRATION ABILITIES AND FOR EVALUATING QUICKLY INFORMATION DATALINS RELATED TO EACH OTHER OR MAKING CALCULATION AND/OR TOY FOR IMPROVING LOGICAL AND CONCENTRATION ABILITIES
DEVICE FOR EXAMINING AND MEASURING LOGICAL AND CONCENTRATION ABILITIES AND FOR EVALUATING QUICKLY INFORMATION DATALINS RELATED TO EACH OTHER OR MAKING CALCULATION AND/OR TOY FOR IMPROVING LOGICAL AND CONCENTRATION ABILITIES