Liquid Metal Magnet Fidget Toy - Ferrofluid - Coolest Desk Toy
This is by far the coolest and most unique desk fidget toy. This is a glass jar filled with water and liquid metal. It includes 2 magnets that you can place around the glass to attract the liquid drops. It is fun to move the magnets and watch the organic shapes.
Jar is 3.5" x 2" x 1".