Mini Coloured Timer Set, Classic Liquid Sensory Timers, Mineral Oil & Water, Pack of 2

This is a true visual sensory aid that captivates a child's mind Use it to teach colours or the concept of time. Often used as a sensory aid for calm down time Turn the tube upside down and watch the liquid bubbles spiral down the staircase to the bottom of the tube. Approximately 7 cm in height