●It's impressively smooth, sturdy, well-made and captivating. It will come in a zippered case to protect. Very solid and well machined. Fun to disassemble and spins forever! ●Note: ●Please Tighten Up the Cap when you feel loosen. Because the cap could be removable, and we may miss to tight up few of spinner after testing. ●How to Tight up spinner cap? Rotate both side of the cap till you feel cap is tighten up, could not be rotate any further. ●What is the Fidget spinner toy? - This is a new type of decompression toys, the use of several fingers to grasp and toggle can be in the fingertips rotating small toys. - It is perfect products for people focusing, ADHD, autism, quitting bad habits, staying awake and so on. ●Does the spinner toy fun? - Do not underestimate it is simply a rotation, when you line up waiting for a car, or on weekdays leisure, you can let it spin up, I promise it will be your good friend. ●How to use? -Hold spinner in one hand and use the other hand to spin it rapidly using small continuous strikes to keep it spinning indefinitely with practice,spinners can be spun using one hand only using the fingers of one hand to stop and start spinning. ●If you feel upset, stressed or bored, spin it!