1. STRESS RELIEF TOY - Our spiky DNA stress balls and stretchy strings make the accumulated tension and stress easily disappear as soon as you squeeze or stretch it in your hands. It is a must for anyone who wants to stay calm and focused or to release tension and relieve anxiety.2. Set of 5 What can relieve more stress than squeezing a DNA sensory ball or stretching a structured stretchy stitch? Yes, press and stretch five of them. After purchasing our Spiky DNA balls and stretchy strings, you get five times more fun and sensory stimulation. Not only you, but your whole family and especially your children will be happy with this stress relief toy3. NON-TOXIC AND SAFE - Our stress relief toys are made of high quality non-toxic materials, so you can give them to children over 3 years old.4. COLORFUL AND FUN - The silicone stress balls from our 5 pack of spiky DNA stress balls are made from a soft, squishy, spiky membrane with lots of colourful, bright, spongy rubber mini balls. The stretchy strings are so bright and beautiful to touch with all their cool bumps and stripes help develop your children's fine motor skills! You and your children will surely get lots of fun and happiness when playing with these stress toys!5. BETTER FOCUS AND CONCENTRATION - These high quality sensory balls and cords are a perfect way to reduce stress in school, college or office, as well as a great tool to focus and improve concentration. This stress toy for children and adults contains balls and cords that are very durable and long lasting, so they are not quickly torn or worn out