24 wooden cubes painted in different colours need putting together in sequences ranging from simple to complicated, gradually getting more difficult as you go along. First of all forms need lining up according to simple patterns, and colour sequences need completing. Then sequences of forms and colours need combining. Finally whole patterns need to be continued with the coloured cubes. The pattern booklet finishes with memory-power exercises, and these too begin with easy ones and gradually progress to the more difficult ones.
Splendid training in logical thought and memorization for all ages.
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