Chain Fidget Toy Set: you will get 2 piece of roller chain fidget and 2pieces of key flippy chain fidgets in 2 different colors including blue and black; 2 kinds of fidget toys to meet your needs, train your fingers and make them more dexterous Function: the fidget chain can be applied to relieve stress, anxiety, and make you focused, it is also helpful for people who suffer from ADHD and ADD, convenient pressure-relieving small toys, share with family and friends Material: Durable silicone rings and rust-resistant metal parts ensure the fidget toys will be long lasting; The six roller chain with rolling silicone ring will not be eroded by hand sweat; Both students and adults can use the stress reducer set Size information: 6 roller chain fidget toy is about 3.5 cm/ 1.38 inches in diameter, while each key flippy chain fidget measures 3 x 2.1 cm/ 1.18 x 0.83 inches, which are convenient for you to carry anywhere, so once you are stressed, you can play with the flippy chain fidget toys Great Gifts: The six roller chain fidget and flippy chain fidget toy are interesting gifts to your families or friends, helping them to spend time in office, studying or work, keep their mind at ease and have fun Interesting gifts: The stress relief roller and flippy chain fidget toys are nice gifts for your family and friends, which help them to spend boring time, relax and have fun. Appropriate users: The fidget toys provide a fun way to release pressure for those with stressful work, but also for those who are suffering from Autism, ADD and ADHD. Specifications: Quantity: 4 pieces Size: 6 Roller chain fidget: 35 mm/ 1.38 inches Key flippy chain fidget: 30 x 21 mm/ 1.18 x 0.83 inches Package includes: 2 x 6 Roller chain fidgets 2 x Key flippy chain fidgets Warm note: The fidget toys set is suitable for people older than 12 years old. Please allow slight size errors due to manual measurement.