About Fidget Spinner A fidget spinner is a toy or small device that you carry with you every single day. They come in various sizes and are made from several different materials.With a fidget spinner,you will be able to curb unwanted habits such as nail biting and smoking.Instead of fidgeting around with your finger nails you can simply grab the fidget spinner and play with it.Many people have successfully curbed unwanted habits using fidget toys. Fast and Long Spin Times: 3 Minute Average Spins based on the Power you use to Spin.