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 liquid timer upside down and watch the liquid bubbles jump down the little staircase to the bottom of the tube.;Measures 6.5cm x 8.5cm

• Pack of 3 Large Oval Shaped Dual Bubble Liquid Timers in Assorted Colours Measures: 16.5cm x 8.5cm by Playlearn

Pack of 3 Large Oval Shaped Dual Bubble Liquid Timers in Assorted Colours Measures: 16.5cm x 8.5cm by PlaylearnPlaylearn