La magia della scienza. Vol. A-B-C-D. Con Mi preparo per interrogazione-Quad. competenze online. Per la Scuola media. Con DVD. Con e-book. Con espansione online

The items bear minimal signs of past use, such as light scratches or memories in the form of markings. These signs of wear give the items a charming character and tell stories of their previous owners, while not affecting their functionality.