Get playful. This modern designer radiator is an eye-catching feature with a difference. But there is more to RUNTAL PUZZLE than meets the eye. The slim radiator not only emits a comfortable warmth, its elegant surfaces also provide space for creativity, because you can add notes and drawings just like on a chalkboard. Designed by Claudio Colucci, RUNTAL PUZZLE is both a source of warmth and an inspiring feature for the home.