A water snake fidget, also known as a water wiggler or water tube toy, is a soft, cylindrical toy filled with liquid. It's typically made of a flexible, slippery plastic that allows it to glide smoothly through your hands. The liquid inside creates a wiggling and shifting motion as you try to hold onto it, making it challenging to grip and fun to play with. This motion can be mesmerizing and provides sensory feedback, making it a popular fidget toy for stress relief and focus. The unpredictable movement of the water snake can help keep hands occupied, offering a simple yet engaging way to reduce anxiety or fidgetiness.