THE SITE FOR THIS KINDERGARTEN IS ON A FORESTED GRANITE HILL IN A LOW-DENSITY SUBURBAN NEIGHBORHOOD OF STOCKHOLM. THE CHALLENGE WAS TO FIT THE PROGRAM DISCREETLY ONTO A SMALL SITE WITH DIFFICULT TOPOGRAPHY AND SOMEHOW CREATE PLAYGROUND SPACE FOR THE CHILDREN. THE OBVIOUS SOLUTION WAS TO USE THE CHANGES IN TOPOGRAPHY AND THE TWO ADJACENT STREETS TO CREATE ACCESS TO THE BUILDING AT TWO DIFFERENT LEVELS AND THEN CREATE A PLAYGROUND ON THE ROOF. THE ROOF IS COVERED IN ARTIFICIAL GRASS AND LINED WITH DEEP PLANTER BOXES TO MELT THE ROOFLINE INTO THE FOREST BACKDROP. CORETEN STEEL AND WOOD CLADDING ARE USED ON THE UPPER LEVEL FLOATING ON A GLASS CURTAIN WALL TO HIGHLIGHT THE PLAYGROUND AND TO MINIMIZE THE MASS OF THE BUILDING. THE GROUND FLOOR IS PROTECTED WITH GLASS PARTITIONS BUT IS STILL OPEN TO THE OUTDOORS AND WILL BE USED BOTH AS AN EXTERIOR CORRIDOR AND AS A SLEEPING VERANDA WHERE THE CHILDREN WILL TAKE NAPS, EVEN DURING THE WINTER.