Bees and moths whirr above you like helicopters. Flowers and blades of grass loom over you. Familiar household objects are like huge, immovable obstacles. Your fellow human beings blot out the sky with their immense, towering girth. Sound like a bad case of the Mondays? Think again: you've been shrunk! A subset of Shapeshifting. Often times this is how the human protagonists are introduced to (and/or imprisoned in) the Mouse World. Considered somewhat hokey to do in live-action nowadays, even in Sci Fi, owing to the Square-Cube Law. In cartoons, however, you can get away with it.