Lab Jar with Eyeballs measures approximately 6 wide x 8 high. Includes (9) plastic eyeballs that spin and move around the top of the water. Features a bubbling sound effect. LED lights on lid add a creepy glow of blue and green. Requires (3) - AA Batteries (included). Made of plastic and electronics. Please Note: Water/liquid is not included. Easy setup. Just add cold or warm water (not boiling), drop eyeballs in jar, replace lid and push the button. Can be set to manual operation (ON) with the Try Me button or set prop to motion activated (SENSOR). Plea