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Electronics
Crafts
Robotics
for Kids
Electronics
Crafts
Robotics
for Kids
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Components
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Cables & Connectors
Sensors
Motors
Buttons & Switches
LEDs
LCDs & Displays
Sounds
Power
Storage
Octopus Analog Sound Sensor
$3
Octopus Passive Buzzer
$3
Passive Buzzer, 12mm (Variable Pitch Tone) 3-5V DC
$1
5V Active Buzzer
$1
Octopus Active Buzzer
$3