Test the limits of your tail

Surely there must be some real limit to how long you can make your tail? In spite of all this magic, your inquisitive mind urges for knowledge.

You settle the furniture back on the ground, rearranged and reformed, but otherwise completely intact. You begin to lay out your tail as fast as you can think. It spurts out like toothpaste under a hydraulic press, coiling around the room and covering everything underneath.

Sophie: "Whoa, whoa! Stopstopstop!"

The room is three quarters full of your tail. And yet you feel neither stress nor strain of any sort. You think you might be able to stretch out your tail forever.

Sophie: "What on Earth do I do with these cooky powers?"