Aisle 10No. 204 of 460
Splashery
Neon Knot
300,000 small parts. Assembled in your browser.
Empty. Now look down.

Swipe across the pack to tear it open.
Press and hold. It pulls itself together.
Let go to drop it.
It stays in its pack here. The Playground has the rest.
Shapes · Generated shape
Neon Knot
A glowing tube tied in a trefoil knot, the simplest true knot.
Play with it in the Playground
How to play
Tap it to make it twist and writhe.
Toy facts
- Item
- No. 204 of 460
- Shelf
- Aisle 10, Shapes
- Kind
- Generated shape
- Small parts
- 300,000
- Sound
- Yes
- Batteries
- None
- Assembly
- It does that itself
- Licenses
- Own work (made in the page)
- Price
- $0.00
Small parts are the splats in its usual build on a computer. A phone may draw fewer.
About it
A glowing tube tied in a trefoil knot, the simplest true knot. Tie a knot in a string and join the two ends, and you get a loop that can never be untangled without cutting it; the trefoil crosses itself three times. Mathematicians study knots like this in a field called knot theory.
Tap it and waves of swelling loops run around the tube, lifting and twisting it as it glows pink, then it settles back into its trefoil. Real neon signs glow because electricity makes the gas inside the glass tube shine; pure neon glows red-orange.
Sources and credits
Made in Splashery. Its code is MIT.

