This is a completed action toy designed for collectors.
From the Hasbro website:
Launch into action and adventure in the world of Star Wars! Discover the exciting stories of good versus evil in a universe of heroes, villains, and aliens. Take on the Empire just like Kanan Jarrus with this Star Wars Rebels BladeBuilders Extendable Lightsaber that extends for a duel with a flick of the wrist. One of the few surviving Jedi after the execution of Order 66, Kanan Jarrus went into hiding to escape the Emperor’s purge. He once again embraced his identity as a Jedi Knight, and became a leader among a small group of rebels known as the Ghost Crew. Kanan carries a lightsaber and a blaster – an uncommon practice for Jedi.
Recreate thrilling moments of galactic action from Star Wars: Rebels with this Kanan Jarrus Extendable Lightsaber from Bladebuilders! Use it to customize your lightsaber experience with other Lightsabers in the BladeBuilders system and get ready for the ultimate in Star Wars action. May the Force be with you!