The girl compares the weight of the wooden tablets; she will set aside the lightest and the heaviest. The tablets are colour-coded so that the children realise themselves if they have made a mistake. Montessori nursery, Berlin-Tempelhof, 1950 - T. Müller, R. Schneider, Lehrmaterialien 1913-1935. Möbel und Architektur. Techning Meterials 1913-1935. Furniture and Architecture, München, Prestel Verlag, 2002, p.94

Category: Montessori schools