Learning contents control device for memory, has box accommodating information carriers, and fixing device provided for adjustable and detachable fixing of non-transparent device for covering of activity fields and solution fields

摘要

The device (1) has flat information carriers in form of a card (2) with two-dimensionally represented information in form of activity fields (3a) and solution fields. The flat information carriers are connected with each other and in form of books, booklets and scribbling pads and/or a type of a card set. A box (9) accommodates the information carriers and exhibits a sectionally transparent surface area. A device opens and closes the box and a fixing device is provided for adjustable and detachable fixing of a non-transparent device for covering of the activity fields and solution fields.