There are side firing fiber optics embedded in his eyes. Lamps don't always show well at an outdoor festival on a beautiful sunny day. Not a lava lamp but has a bubbler. Started out as an HP oscilloscope and a display inside a theatre where the scope was.. I like to add "Easter Eggs" into the lamps when possible. This one has a Schrödinger's cat scene and a guy in a cell working on the machine.