- Soft organic material for safe play- Easy to clean with mild soap- Decorative and stimulating design for child's development | Washing instructions: with damp cloth and mild soapLIEWOOD, from Copenhagen, offers innovative products such as soft organic baby textiles, trendy children's tableware, and unique toys that are highly functional with an attractive and modern visual appeal that moms and dads immediately fall in love with. Their products are irresistibly beautiful, with pure shapes and stunning colors. The entire collection is worth a look! Organizing and stacking objects is a natural part of a child's development. The Walter stacking tower is a decorative and stimulating version of the classic stacking tower. It teaches basic principles of physics by learning balance. This Walter stacking tree from Liewood is a fine stacking toy made of durable soft material that is easy to clean.