Introducing KYBER CORE: Hasbro's official Star Wars lightsaber line expands with the introduction of Kyber Core, featuring translucent parts and a glowing core to emulate kyber crystals. Translucent Teardrop Core: In addition to a glowing blade, this kids' lightsaber also features a clear glowing core, inspired by the kyber crystal found at the heart of every lightsaber. Character-inspired design and decoration: Imagine harnessing the power of the dark side with the Lightsaber Forge Kyber Core Darth Vader electronic lightsaber, inspired by the fan-favorite villain, Darth Vader.Create Your Own Lightsaber: This lightsaber toy is made up of four parts: an extendable red blade, cap, cover, and core, so kids can assemble their own lightsaber for imaginary duels, Lights & Sound FX: With entertainment-inspired lights and Lightsaber sound effects, this light-up toy makes a great Star Wars gift for boys and girls ages 4 and up.