Maria Montessori Writes To Her Father (anglais) biol-3-6 plus 5 paires représentant les

plus 5 paires représentant les altérations musicales que sont les dièses et les bémols

un cocon où la transformation a lieu et un papillon qui s'envole

un crabe qui grandit en muant et un crabe adulte qui court sur le sable

Dimensions : 110x41x40h cm

chiffres 0-5

Maria Montessori Writes To Her Father (anglais) biol-3-6 plus 5 paires représentant lesMaria 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