If you add the attachment that allows melee to shoot bolts of energy, it turns laser sword red into Kylo Ren's lightsaber : r/SoulKnight
Laser Lightsaber
Wicked Lasers LaserSaber Review - The Gadgeteer
Coolmade Light Saber 2-in-1 LED (7Colors) Light Up FX Laser Dual Swords Set Toy for Galaxy War Fighters and Warriors,Ideal Kid Gift,Xmas Presents,a birthday present - Walmart.com
Real Lightsaber Star War Laser Sword Green Blue Beam 303 Laser Pointer Main Part