Lego building sounds have become a popular shorthand online for construction, creativity and play, because almost everyone recognises the click of plastic bricks snapping together. Creators use the short effect in stop-motion animations, toy reviews, DIY builds and gaming videos to signal progress without narration, and it often appears alongside timelapse footage where a model grows piece by piece. Its appeal has lasted because the sound is clean, cheerful and instantly tied to making something, making it a reliable choice whenever a video needs a quick sense of building.