A tensegrity build is a structure where the various pieces stick together based on tension, often in a way that seems impossible.
Here’s my Lego tensegrity spaceship. As you can see, it’s supported just by a couple of wires.
But you can see the tension much better in the following video:
You really see it floating.
I’ve made this spaceship as one of the Lego Masters challenges: “Build a futuristic vehicle”.
Here are a couple of other builds I’ve made: