*He pulls out one of each and holds up a knife looking one with a blade that glows white.* "This is a Sphirinian throwing knife, they accelerate as they travel through the air. They can reach speeds just higher than the speed of sound although they have to be in the air a while." *He throws it and it stops spinning as it travels through the air. It propels itself towards into the wall.* "They are solar powered and lose their charge after three throws... Want to see the next weapon?"