- 145mm tall, large sand timer 80mm square base (top and bottom) prevents rolling.
- 30 seconds has the time value embossed on the top.
- Large Sand Timer 30 seconds also has Blue Color-coded grains of sand.
- Excellent for classroom projects and purposes, Group projects, educational purposes, laboratory demonstration.
- If you need custom order with different sizes/design, please contact us.
- Safely Packaged to avoid being damaged during transportation.
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