How to draw a Soap bubble in adobe Photoshop !

Ok lets draw a realistic looking soap bubble in adobe Photoshop. I must say i kept the final design simple and basic .  You can add more stuff like reflection map / environment to make it more realist.

If you are new to Photoshop you will learn

How to use the brush tool
How to create shapes and add details to the shape
Working with layers
and some simple techniques

have fun and if you like it please share the video. Thank you