Supplementary teaching instrument

摘要

The invention relates to a type of structure for a supplementary teaching instrument based on the basic mathematical theories and the psychology of children in terms of play in such a way as to eliminate the fear of acquiring of mathematical knowledge, this structure making it possible to adapt and make up angular blocks (2) and rectangular blocks (3) in order to promote the interest which the studies present, as well as to inspire aptitude for thought and creation. IMAGE