I made a multi-color “neon” sign using LED strips

OYhmc LED Neon Light Sign Coffee & Tea Neon Signs Lights,Handmade

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An Introduction to LED Pixel Lighting Technology - UltraLEDs

Addressable LED Strips, Chasing Lights & Pixel Tape

How To Make DESKTOP NEON SIGNS - 3D Printable, Battery or USB

Flexible Neon LED Strip Light with Multicolor Separation Cuttable

1pc Love Neon Light Sign With Remote Control, Adjustable

Govee RGBIC Neon LED Strip Lights 3M, DIY Shape, Segmentable

LED RGB Strip Lights - 12v & 24v RGB Lights

Buy ULTRA with S DEVICE LED Neon Strip Rope Light,Waterproof

This ultra concentrated RGB LED strip crams in 332 tiny individually addressable LEDs per metre, with a narrow silicon diffuser strip over the top for a cool neon effect. It's sold in 0.5m and 1m strips, with a connector at both ends so you you can easily chain multiple strips together. There's also extra power/ground wires at both ends of each strip so you can inject additional power if you're running long lengths of the stuff.

Ultra-dense RGB Micro Led Strip (aka NeoPixel, WS2812, SK6812) 0.5m

Model:, H61A0(3M) H61A2(5M), Discover a new creative way to light up your home's spaces with Neon LED Strip Light. A bendable RGBIC rope light with a

Govee Neon LED Strip Light

Outdoor Silicone Blue Yellow Red Green Color Strip Light