In "toys I never thought we'd see" news, here's Star Wars The Mandalorian Darksaber Electronic Lightsaber toy.  It appears in all the very best modern-era television projects and has been owned by several characters - most of which are pretty cool.   Hasbro's copy block says:

STAR WARS THE MANDALORIAN DARKSABER ELECTRONIC LIGHTSABER
(HASBRO/Ages 5 years & up/Approx. Retail Price: $29.99/Available: Spring 2020)
In the STAR WARS saga, this one-of-a-kind black-bladed Lightsaber has been a symbol of MANDALORIAN power for generations. Imagine wielding a black-bladed Lightsaber with exciting electronic light and sound effects! The STAR WARS THE MANDALORIAN DARKSABER ELECTRONIC LIGHTSABER features electronic light effects, classic Lightsaber effects, awesome battle sounds when kids swing the Lightsaber, and crackling lightning sound and light effects when they hold down the button on the hilt! Imagine ruling over MANDALORE with the MANDALORIAN DARKSABER! Includes lightsaber and instructions. Requires 3 1.5V AAA batteries, included. Available at most major retailers.