An internet search tells me this isn't an issue, the more you hit things the more likely the hit noises will start, but I didn't want to damage it! The item "Original 2005 Master Replicas Force FX Darth Vader Lightsaber SW-207" is in sale since Monday, July 9, 2018. This item is in the category "Collectables\Science Fiction Collectables\Star Wars Collectables\Other Star Wars". The seller is "b34rd3d1" and is located in Worcester.
This item can be shipped to United Kingdom.