Kumon Jigsaw Puzzles (Almost unused) Kumon Tangram (Used a few times, in good condition) Pattern Blocks (Purchased used, so has small scratches) Kumon Rubber Band Pattern Board (Without box, in good condition) Purchased for elementary school entrance exam preparation, specifically for observation of behavior, dexterity, and paper-based tests. Puzzles and pattern blocks were actually used in the observation of behavior section. Tangrams are useful for figure composition on paper tests, and the rubber band pattern board helps improve dexterity. Of course, these can be used normally as toys to promote development.