Fresh Cut Brain features a pumping brain that pumps fake "blood" and runs on regular tap water. Prop includes: (1) Plastic Wood Block Fountain, (1) Plastic Heart, (1) Plastic Knife, (1) Attached UL Listed AC Adapter with 70" long black AC power cord. Brain attaches to plastic tube on top of block and pumps "blood" on tray. Use regular tap water and add a few drops of red food coloring (not included). For indoor use only. Fill base of block approximately 1" below the top with tap water and add desired amount of food coloring. Please Note: Prop is not intended to run 24 hours a day. Recommended running time is 4-6 hours per day. Do not use on table or furniture that may be damaged by water or food coloring.