Amazon.com: Discovery Kids 6" Plasma Globe Lamp with Interactive Electronic Touch and Sound Sensitive Lightning and Tesla Coil, Includes AC Adapter, Glass STEM Lava Lamp-Style Light for Desk, Kids Room, and More :
Stemclas Plasma Ball/Light/Lamp, Plasma Electric Nebula Lightening Ball, Touch Sensitive, STEM Toys, for Parties, Decorations, an Amazing Gift for Holiday and Birthday (3 inch, USB Powered) - - Amazon.com