Use the code wheels in this special spy master kit to write secret messages. Learn techniques used to crack secret messages.

Make an intruder detector and learn how to make a lie detector.

Kit includes:
- Two printed code wheels
- Buzzer
- 3v battery holder
- Hook up wire

Kit requires 2 x AA batteries - not included.

  All the cool Spy Master Specifications

SKU SPY01
Barcode # 656557754059
Shipping Weight 0.10kg

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