Positive sensory stimulation Stretch it, pull it, bend it and squeeze it, then watch it bounce back to its original shape. These stretchy strings can be stretched from 11 inches to 10 feet long. Great sensory toys for boys, girls and adults. Perfect for yoga band, arm strength and other sport excise Used as a learning tool and can be made into different patterns, shapes, numbers, or letters. Children learn the colors and increase their creativity Recommended by parents, therapists, students, and teachers to use them at home, school and work. Specifics: Colors: pink, orange, yellow, green, blue, purple Material: TPR Size: 1.5*28cm 1Safe material: These sensory toys are made from non-toxic, non-allergenic materials, free of BPAs, phthalates and TPR. Safe for kids and adults 2 Healing: These stretch fidget string toys can relieve stress and anxiety and increase patient. Fantastic for kids with ADD/ADHD, OCD, autism, or people with high anxiety. They can help calm them down and focus attention 3 Soft and durable - These stretchy strings are soft and durable, and resist squeezing, pulling, pounding and pinching. They can be used not only as a toy but also to strengthen your arm muscles 4 Multipurpose: They can be made into different patterns, shapes, numbers, or letters and help kids learn their colors and increase their creativity and imagination 5 Ideal gift: This pack contains 6 toys, each a different color. It& 39;s a perfect gift for anyone6 x Stretchy strings