4M-Logiblocs Alarms & Doorbell

4M-Logiblocs Alarms & Doorbell

  • Item: 4078
  • UPC: 085761255708

Includes the essential blocks for building different alarms. Build your own intruder alarm, Morse code machine and even more gadgets that can be used in your daily life. Requires three AAA batteries - not included. 5yrs and up

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