活便

活 = 氵 + 舌 : Helga Horse joined the traditional water bottle challenge and empties a bottle of water over herself in the observatory's kitchen. To raise the difficulty level, she only uses her tongue to hold the bottle.

便 = 亻 + 更 : "Handy" is a German word for "mobile phone", so that's what I will represent this character with.

便 = 亻 + 更 : Brunhilde lost her mobile phone! When Rosa Luxemburg helps her to find it by calling Brunhilde's phone, they discover that it must be inside the snake that ate an elephant which is lying in the anthill's bathroom. Together they open the snake's mouth to see wether they can find it.