Turn the tube upside down and watch the trail of bubbles spiral down to the bottom!
A visual sensory timer perfect for calming, keeping concentration or simply for providing a visual sensory experience.
The regular little globules slide and drop down a series of curving ramps until they finally pool in the base. Colours may vary.
- Height:165 mm
- Diameter:50 mm
- Age Range:Suitable for 3 to 11 years