In Kaltenbach we were commissioned to turn the former playground into an adventure world for both large and small people. The experience staging includes a sand-playing tower, which was created from an existing castle and now offers the smallest guests a sand construction site under a half-roof for sun-and weather protection. The building site fun is not over-the sand storage, conveyor belt including sand lift, sandtable and downpipe employ the small "workers" for hours as needed. On particularly hot summer days, the water installation provides cooling and water fun, directly fed from the Kaltenbach stream. Water can be stowed, diverted and transferred into insightful flow patterns. The children playfully experience the energy and emotion of the water. The whole area is surrounded by a traditional spelt fence made of untreated larch wood.