With the electronic Star Wars Lightsaber Forge Kyber Core Darksaber lightsaber, Star Wars fans can immerse themselves in the adventures of a galaxy far, far away. This lightsaber comes in an entertainment design and features an extendable, glowing blade and sound effects relating to the Star Wars galaxy. The Lightsaber Forge electronic lightsabers now feature glowing, translucent cores inspired by the kyber crystals found in each lightsaber. The included parts (blade, attachment, housing and core) can be used to create the Mandalorian's dark saber. With pieces compatible with the entire Star Wars Lightsaber Forge line, kids can master several thousand combinations. (The combination count includes all Lightsaber Forge products. Additional Lightsaber Forge products are sold separately). The Lightsaber is suitable as part of a Star Wars costume or as a Star Wars gift for children. 2 x 1.5 V AAA LR03 alkaline batteries required. Batteries included.