Foldable didactic device, for children, characterized by consisting of a blackboard that supports a multiplying element in its upper part of a tubular frame in the form of an inverted v, whose sides protrude from the bottom of the slate, including a attractive abacus and below conclude in two zig - zags flattened and oriented towards the outer sides, finished in flattened areas with which others similar to which are articulated straight lines of the straight tubular that form the feet and that fold backwards until, remain adjacent to the sides of the v-frame, and are fixed in their position of use by pins attached by chain to the frame and interlocked in the holes made in the flat areas of each joint, completing the support with a straight tubular section solidary of the angle but with its zig-zag backwards so that the tubular foot, articulated in the same way as the previous ones are folded towards one of their sides until they are on the straight section. (Machine-translation by Google Translate, not legally binding)
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