EDUCATION OF THE SENSES 201
have said above, the gRometric insets). The present material consists of small flat tablets, which are wound with coloured wool or silk. These tablets have a little wooden border at each end which prevents the silk-covered card from touching the table. The child is also taught to take hold of the piece by these wooden extremities, so that he need not soil the delicate colours. In this way, we are able to use this material for a long time without having to renew it.
I have chosen eight tints, and each one has with it eight gradations of different intensity of colour. There are, therefore, sixty-four colour-tablets in all. The eight tints selected are black (from grey to white), red, orange, yellow, green, blue, violet and brown. We have duplicate boxes of these sixty-four colours, giving us two of each exercise. The entire set, therefore, consists of one hundred twenty-eight tablets. They are contained in two boxes, each divided into eight equal compartments so that one box may contain sixty-four tablets.
Exercises with the Colour-tablets. For the earliest of these exercises, we select three strong colours: for example, red, blue, and yellow, in pairs. These six tablets we place upon the table before the child. Showing him one of the colours, we ask him to find its duplicate among the mixed tablets upon the table. In this way, we have him arrange the colour-tablets in a column, two by two, pairing them according to colour.
The number of tablets in this game may be increased until the eight colours, or sixteen tablets, are given at once. When the strongest tones have been presented, we may proceed to the presentation of lighter tones, in the same way. Einally, we present two or three tablets of the same colour, but of different tone, showing the child how to