More to explore:
▶ Circuit Stickers - YouTube
circuit stickers preview
Circuit stickers are peel-and-stick electronics for crafting circuits. Use them to add electronics to any sticker-friendly surface: paper, fabric, plastic, the sky's the limit!
Make a Simple Circuit.
Circuit Scribe: Draw Circuits Instantly | Crowd Supply. Another cool idea
Squishy Circuits and Artbots
circuit scribe: draw circuits instantly with conductive ink pen