Rotation is smooth with a stainless steel bearing, making it spin longer than others MAGNET PUZZLE CUBE 2X2 - You can easily turn the Fidget Spinner Mini into a 2x2x2 magnet puzzle cube, which can be rotated and rearranged in any way, allowing you to explore the cube inside out, and improve your puzzle solving skills MAGNETIC BUILDING BLOCKS - Create over 100 different shapes from the eight cubes included. TRANSFORMABLE FIDGET SPINNER - Featuring 72 magnets (eight embedded in each block), the TOSY Magnet Fidget Spinner Mini lets you create various fidget spinner shapes. Collect more to build more.