StepsToDo _ Water Sensor Based Rain Alarm / Water Tank Overflow Alarm | Pre-Assembled Kit on Card-Board Base | Demonstration Handmade Project | Ready for Use (T175)
- Best suited for those who wish to submit a physics science projects in school/college.
- Can be used as 'class room teaching aid' or 'science fair/exhibition project.
- This product comes with detail printed notes which explains the theory and circuit diagram of the project.
- It is a 100% complete working, ready-to-use handmade project on card board of size 31 cm x 21 cm.
- This kit needs 2 AA batteries. Those are not shipped with the product. You need to purchase them in local shop.