Warm brick

Warm bricks were a type of enchanted brick created by an unknown, young enchantress prior to circa 1357 DR.

Description
These looked like average bricks with dimensions that were x  x.

Powers
As their name implied, these bricks were enchanted to radiate heat. A single brick radiated enough to warm everything within a radius, maintaining a temperature of around. This depended upon weather conditions, as they were inert until the natural air temperature was below and would radiate more heat the colder conditions became.