Maria Montessori Writes To Her Father (anglais) mat-0-3 Créez des motifs colorés comme

Créez des motifs colorés comme indiqué sur les cartes missions ou créez vous-même des motifs

Angeline Stoll Lillard

11 poids métalliques de 1 à 50 grammes

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En le plaçant au-dessus de la carte de mission

Maria Montessori Writes To Her Father (anglais) mat-0-3 Créez des motifs colorés commeMaria Montessori traveled to America for the first time in 1913, a hugely successful visit leading to an even greater interest in her educational ideas. In the following year, her American supporters urged her to return to conduct training courses, which were in great demand. To celebrate the formidable technical achievement of constructing the Panama Canal, two simultaneous expositions had been organized: The Panama Pacific International Exposition