Sensory Sprouts Stretch Caterpillars: Wiggle, Stretch and Twist! Meet the Sensory Sprouts Stretch Caterpillars, the fidgety, wiggly friends that love to be pulled, twisted and wrapped! With their soft, textured bodies and bright colours, these stretchy caterpillars provide endless sensory fun and creative play. Whether used as a fidget toy, worn as a bracelet or stretched to the max, they’re the perfect companions for busy hands. How far can you stretch the fun?