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things we need:

1.air pump
2.tube
3.battery
4.battery holder
5.plastic container
6.water with liquid soap

Step 1: Cap

first make two holes on the cap,place the light in it and make a hole at center for the bubble to come out 

Step 2: Connection

now connect the light in series connection  

Step 3: Container

now make the hole for tube and wires in the plastic container 

Step 4: Arrangement

now connect the tube  with air pump  and plastic container  

Step 5: Final Step

now pour the soap water in to the container and connect the light with battery 

Step 6: Working

 now switch on the air pump  the bubbles  produce from the water . it can be seen very clearly in the dark room. have fun.

<p>Here's a tip for you... I've made very large scale versions of this for promotional displays. Regular dish soap will actually dissipate over a short period of time. However, if you use &quot;hand soap&quot; with some sort of moisturizer, it will produce tons of suds, and will last a VERY long time!</p>
thank you
may b therd are so many innovator who can modify n make it much better but.....things u produce in front of us is lovely.
thank you

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Bio: love science and technology
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