Mathematik mangelhaft. Fehler entdecken, Ursachen erkennen, Lösungen finden. Arithmasthenie/ Dyskalkulie: Neue Wege beim Lernen

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.