Children can walk on the stools like steps, crawl underneath them like a tunnel, or use individual stools as platforms. When pulled out the stool staircase is approx. 5 m long, or can be pushed together to save space. Consists of 11 parts: 1 large middle section (L 65 x W 55 x H 70 cm) and 2 stools each in 5 different sizes; smallest stool: L 45 x W 20 x H 15 cm. Birch wood, shatter-proof, tread surface made of non-slip, rubber stoppers on the contact points, holds stool in place.