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Make Your Own Alarm
Make Your Own AlarmClick to enlarge product image
Which child does not dream of being alarmed when a diary, door or jewellery case is opened? Here they can build a simple but effective alarm.
Contents:
- transistors,
- resistors,
- cable,
- buzzer,
- drawing pins,
- battery clip,
- copper sheet,
- double sided tape,
- base board and
- instructions.
From 10 years, an introduction to the basics of electronics.
