Specifications: Material: Plastic Color: Fluorescence Size: approx. 4 x 4 x 4 cm/ 1.57 x 1.57 x 1.57 inches Infinity cube can be rotated from many directions easily, curved shape design makes it easier for hands to hold Flip the sides down flat into a rectangle shape. Next, encouraged by gravity, the rectangle will want to split down the middle and the long way first, then in half to form a cube again. Want to see it again? There is no need to flip it over because the motion continues the same as the first time! And it will continue as long as you care to play with it! Enjoy the visual gratification of this little engineering enigma or just fiddle with it in one hand for endless tactile fidgeting pleasure. Sound seekers will enjoy the satisfying soft clap each turn produces. Great help for anxiety, focusing, ADHD, autism, quitting bad habits, staying awake, also effective for focus and deep thought. You can use these infinity cubes to lessen boredom when you are waiting in a line, having a school break or taking on the bus. These mini infinite cubes are suitable for relieving your stress and anxiety, diverting your attention from the stressful work or study. Nice gifts to families, friends, boys, girls and especially people who is stressful and anxious.