Bubble Light

things we need:

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

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

now connect the light in series connection  

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

now connect the tube  with air pump  and plastic container  

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

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