Here’s a Master Replica’s produced Count Dooku Lightsaber prop replica.

This is a solid lightsaber (that won’t house electronics) that comes with a case, certificate of authenticity, and original box.

The seller says:

Displayed in a smoke, dust, pet free home for years. Upon purchase your saber will be insured and you will receive a tracking number. 

This Star Wars collectible has a Buy It  Now price on Ebay of $300.

STAR WARS Count Dooku Lightsaber Prop Replica (on Ebay)