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April 24, 2021
Interesting small technological production for children, to make a Traffic Light toy, so that children can learn traffic knowledge while playing. The bulb is connected to the battery box by a wire, and the light can be controlled by adjusting the clip~
First use wood and planks to make the base of the traffic light, and paste it with double-sided tape.
Three round wooden blocks, with a hole in the middle, so that small light bulbs will be inserted.
To fix the battery box on the base, you can use screws or double-sided tape.
The red wire of the battery box is connected to the metal clip.
The bulbs are installed, and each bulb is connected to the red and black wires.
The red wire passes through a ring at the top.
The black wire runs from the back and connects to the black wire of the battery box.
The 3 red wires are respectively connected to the 3 metal rings below.
Turn on the power, adjust the clamp to clamp different metal rings, you can make the lights of different colors light up.
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