Here is a rare crackle tube that reacts to your touch and sound. The Rocket Crackle Tube has switches underneath for pattern and sensitivity settings. It has 2 mirrors to enhance the viewing experience.
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Sound Reactive Rocket Crackle Tube ⚡ Gadgetify
The Rocket Crackle Tube has manual and automatic modes. You can use it to light up Neon and other gases. The above video shows it in action.
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