Our kids play wonderfully with marble run and the stones to purchased. Unfortunately, this is not from rich. In addition, a good low-cost alternative to Kappla. (Where Kappla is felt even better quality.) Both stones But we would like to know if they are treated with chemicals and that can be niergens nachlesen.In descriptions often is only "handled" or "natural", but they do not feel so and they do not smell of wood.
