Help children practice managing their emotions with this mesmerizing set of ColorMix Sensory Tubes! Each of the 3 tubes offers a relaxing experience as you shake it to mix the colors and then watch as they slowly separate back to their original colors. These securely sealed, easy-to-grip bottles will help children become resilient learners who respond positively to any challenge! Square end caps allow the tubes to be used vertically and horizontally and prevent them from rolling away!