Thermal Sparker is a small spherical handheld explosive device around a quarter of the size of the Thermal Detonator that could easily fit between Human's fingers. The explosive has a volatile Baradium core and surrounded by tiny overlapping plates of durasteel. The shell of the weapon is normally covered
by thermite or axidite.
To activate the countdown, one must press the small red pressure plate on the top of the sparker, as you do so, red indicator lights comes on. The Baradium starts to warm up as the sparker is in the air, upon contact, the core erupt and turn the overlapping plates to deadly shrapnel. This make the weapon perfect for sabotaging and ambushing enemy units.