Science Kits for Teens – Earthquake Alarm
When the earthquake alarm model is shaken, the copper wire of the glass bead will touch the O-shaped lamp, the line will be connected, and the buzzer will make a beep sound.
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Size: about 60*130mm
Weight: about 40g
Color: as shown
Material: environmentally friendly wood
(batteries need to be prepared by yourself)
Packing: Ziplock bag
Package included: as shown
Installation steps: Please refer to the instructions in the package.
Scientific principle: When the earthquake alarm model is shaken, the copper wire of the glass bead will touch the O-shaped lamp, the line will be connected, and the buzzer will make a beep sound.
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