Las Vegas, NV (KTNV) -- Rio headliners Penn & Teller will kick off their 13 Bloody Days of Christmas Wednesday.
Now in its 13th year, donors will receive a pair of tickets to see Penn & Teller's show at the Rio.
The blood drive will conclude on Dec. 31. Donations will be accepted at designated United Blood Services locations and mobile units.
Locations include 6930 W. Charleston Blvd., 4950 W. Craig Road and 601 Whitney Ranch Drive., Bldg. D, Suite 20.
Penn & Teller perform at 8 p.m. nightly except Thursdays and Fridays. Tickets start at $75.