Did you know that the original lava lamp was inspired by a homemade egg timer? They have moved on a bit since they were first invented back in 1963, but still have that classic retro look! This snazzy LAVA Lamp lights up with a glowing orange wax in bright blue liquid.Perfect for sensory stimulation or soothing young minds, this large lava lamp helps to calm and relax children with its slow shape-shifting formations and subtle lighting. A brilliant gift for teenagers, Schylling's lava lamps look super cool in any bedroom or playroom.Lava lamps have been illuminating children's rooms for 60 years. This version includes a hand-spun metal base and 25 watt lava lamp bulb. 14.5" tall.