Toys
Simple alarms
LED gadgets
Motion detectors
DIY electronics projects
The metal balls move when the tube is tilted or shaken, completing or breaking an electrical circuit.
⚙️ How They Work
Inside the sealed glass tube:
The tiny ball bearings roll with movement or gravity
When they touch metal contacts, electricity can flow
Tilting the device changes the connection state
This makes them useful for:
Detecting motion
Orientation sensing
Simple on/off activation
Please Head On keep on Reading (>) for the instructions:

