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DiyTraffic light craftTraffic signal modelHow to make cardboard traffic light
>> YOUR LINK HERE: ___ http://youtube.com/watch?v=gSxkLptKkT8
How to make a Traffic light at home using cardboard - Science Project - traffic light • • • • • 00:00 | Let's make a traffic light • 00:40 | Take a cardboard and Put three holes in the cardboard • 00:54 | Put three LED in the hole • 01:55 | Paste the lid on the top of this LED on the three color (Red ,Yellow , Green ) bottle • 02:24 | Add cardboard and glue • 04:07 | Set a box on the cardboard • 04:59 | Place three switches in this box • 06:02 | Put three holes in the cardboard box • 06:19 | Put three color LED ( Red , Yellow , Green ) in the hole • 07:38 | Connect the LED wire • 08:03 | Connect the battery • 09:54 | Let's close the box • 10:19 | Ready • 10:55 | Checking • • • • • • #trafficlight #scienceproject #cardboard #punnakalatech
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