Prompt

Gnome half goblin invention, winning prize at gnome convention, The Lumb-O-Tron A jury-rigged combination of a cart, pulley system, and an axe designed to chop down trees. The motion is powered by {a pony in a wheel treadmill spurred by a carrot on a stick | a crude stationary bicycle | a tiny steam engine heated by a red pseudodragon in the chamber}