Spiral Design: The 16-inch groan tube features a visually captivating spiral design, adding an engaging element to the sensory experience. Unique Sounds: Flip the tube around, and be enchanted by the one-of-a-kind sounds it produces, creating an auditory delight that sparks curiosity. Multisensory Engagement: Engages multiple senses, combining visual, auditory, and tactile stimuli for a holistic and immersive playtime. Versatile Play: Ideal for interactive play, users can experiment with different movements to create varying sounds, promoting creativity and exploration. Entertainment for All Ages: Whether you're a child, teenager, or adult, the Spiral Groan Tube 16" offers entertainment and relaxation suitable for diverse age groups. Portable Fun: Compact and easy to carry, this groan tube is perfect for on-the-go entertainment, making it a versatile toy for various environments. Relaxation and Stress Relief: The soothing sounds and rhythmic motion of the groan tube make.