These Liquid Volcano timers are great as therapy toys and even stress relief toys. Just flip over and start again. The ascending bubbles have a soothing and mesmerizing effect that will keep kids entertained for hours, while improving visual tracking skills.
Features:
- Can be used to allocate time to an activity, but are not necessarily very accurate
- Size: 15 cm x 5 cm
- Package contains a single Volcano Tube Timer