This is a great teaching tool for gravity as the heavier colored liquid flows to the bottom of the timer!

Liquid timers may also help with concentration – the visual stimulation of the predictable, rhythmic and flowing motion provides a subtle, engaging opportunity to refine visual tracking skills.

Specifications:

 Suitable for all ages

 Basic scientific principles

 Entertaining for hours

 Material: Acrylic transparency

color: red

size: 12cm tall

Delivery date 4-6

Contact Us: 070 2633889

                    070 2633888