INTRODUCING KYBER CORE: Hasbro’s premium line of Star Wars lightsabers expands with the introduction of Kyber Core, featuring translucent parts and a glowing core to emulate kyber crystals TRANSLUCENT GLOWING CORE: In addition to a glowing blade, this lightsaber toy for children also features a see-through glowing core, inspired by the kyber crystal found at the heart of every lightsaber ENTERTAINMENT-INSPIRED DESIGN: Imagine harnessing the power of the Force with this Lightsaber Forge Kyber Core Darksaber electronic toy for 4+ year old children, inspired by the Darksaber seen in The Mandalorian series CREATE THEIR OWN LIGHTSABER: This lightsaber toy for 4+ year old boys and girls is comprised of four parts – an extendable blade, cap, cover and core – so children can assemble their own light-up lightsaber for imaginary duels LIGHTS AND SOUND FX: Featuring lights and lightsaber sound effects, this light-up toy for 4+ year old kids lets them feel a genuine connection with the exciting Star Wars universe. (Requires 2 x 1.5V AAA batteries. Not included)