The wooden kindergarten Šmartno has no corridors, and its central space is part of the playrooms. All the spaces are open and well-lit. Playrooms are either separated or connected through sliding doors, while movable equipment allows for different settings. The heart of the kindergarten is formed by the staircase featuring numbers and colours, a den and a slide. Children can play in 67 different niches and can interact freely with each other, teachers and playground equipment.