This is a beautiful focus or fidget toy designed for your desk. A vortex lives in here, just spin the gorgeous glass dome to see it.
ONO “Roller” Fidget Toy — Tools and Toys
David (@physicshack) / X
Physics Hack Vortex Dome Desk Toy - Handmade in the UK by David Fowler
Vortex Dome
😵 Vortex Dome: Rheoscopic Fluid Desk Toy -- Gadgetify
The Vortex Dome Desk Fidget Toy by PhysicsHack [] — Tools and Toys
Desktop Toys, Kinetic Toys, Executive Gifts
Vortex Dome Desk Toy, OPTICAL ILLUSION
Vortex Dome - UK
.com: Sudopo Physics Hack Vortex Dome Desk Toy - Handmade in The UK : Toys & Games