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Priority to ES105678UpriorityCriticalpatent/ES105678Y/en
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Publication of ES105678YpublicationCriticalpatent/ES105678Y/en
A children's board essentially characterized because being the type that has incorporated an abacus comprises the inclusion in the latter of a revolving bar with faceted faces presenting the sliding elements of said abacus by bodies of faces also faceted and having represented in that bar and in said elements of primary education concepts such as signs: letters and animal or similar figures with the particularity that both the aforementioned bar and the parallel rods of the abacus are advantageously arranged on the blackboard according to a sloping line from front to back in order to facilitate child the vision of the concepts that behave in their faces faceted being at least the rods of the abacus driven subsidiary by a crank mechanism to modify the position of the elements that they entail. (Machine-translation by Google Translate, not legally binding)
Improvements in printed publicity elements exhibit procedures with three-dimensional appearance (Machine-translation by Google Translate, not legally binding)