跑步機

跑 = ⻊ + 包 : Pinocchio stole a colorful handbag from someone in the aorta and runs as fast as he can. He didn't have time to look for which direction he actually was heading, so he stumbles and falls head-first into a big cowboy boot.

步 = 止 + 丨 + 丶 + 丿 : Mnemonic symbol: a five-paced viper, 五步蛇.

Bruno Bear (bu) was strolling (步) around the space station's bathroom (Ø4) with a dinosaur bone (丨) as walking (步) stick in his hands. He disregarded the barrier (止) marking the wild, forbidden area lightheartedly and just jumped over it whistling a joyful tune. But shortly afterwards he made a terrible realization: only five paces (步)away there was a five-paced viper (步) hiding under a petal leaf (丶)! Bruno knew the viper was after him, so he tried to keep it at distance using his dinosaur bone and feeding it bananas (丿) while at the same time slowly backing up to the barrier.

机 = 几 + 木 : Joan of Arc (ji) made a machine (机) that fully automatically manufactures tables (几) out of Christmas trees (木) and tests it in front of the space station (Ø1).