Rainbow Lava Lamp | 55149 Rainbow finished base and cap SES 25W Screw-in bulb (included) Mains plug operated Height: 40cm approx. Age: 14+ Global Gizmos 16" Rainbow Lava Lamp | 55149 This is a great retro party accessory or cool way to throw some coloured mood lighting into a living room or bedroom at home. The 16 inch Lava Lamp with Aluminium base and top is a really great feature and we have a colour combination of liquid and lava to suit any theme. This lamp has clear liquid with rainbow lava which is a great effect. The lamp comes with a bulb which is also easy to replace as it is a standard model stocked in most stores where bulbs are sold.