RST-1 Electrode Digital Sand Timer – A useful and economic electronic timer for teaching time perception and time management. Animated sand flows at same rate as digital time elapses
- Combines a digital display with animated sand timer
- Countdown timer can be set from 1sec. to 59min. 59sec.
- Turn over just like a conventional sand timer to start
- Digital display turns over when timer is turned over
- Power: 2 x AAA batteries (not inc.)
- Clock and alarm function
- Dimensions: 56x89x25mm