A colorful way to count down 60 seconds! How does temperature affect the flow? How do the timers vary against a stop watch? Experiment to find out!
- These versatile timers can be used for science experiments, relaxation tools and for transition times
- Available in 3 different shapes: slim, S-shape and oval
- Comes in assorted colors
- Item is ideal for special needs and sensory
- Ages 3+