A whimsical illustration of a vibrant Wetterfrosch perched on an old-fashioned wooden ladder inside a clear glass jar. The charming amphibian, with its green skin glistening in the diffused light, has a curious and mischievous expression as it peers out at the world beyond. The ladder extends upwards within the jar, creating a sense of depth and verticality. The surrounding foliage, reminiscent of the frog's natural habitat, adds a touch of magic to the scene. The jar, polished to a shine, distorts the frog's image while casting playful patterns of light and shadow, further enhancing the enchanting atmosphere.