Lava Lamp - 16" Twin Lava Lamp - Bedroom Lamps by Funny Party Hats Twin Motion Lava Lamp. Green and Blue Wax/Liquids.Comes with Electrical Cord for Plug-In Operation. The Lamp is 16" Tall , Recommended for ages 12 and Up. Lava Lamp works with soothing slow-moving bubbles. Very Relaxing and Great For Home Decor. This lava lamp is a twin lamp. Looks really cool as a gift or home decor. Glass housing with brushed-steel base and matching top. Really Adds to The Room Decor