How can I set the code that is related to a button of breadboard in Arduino?

edited April 2016 in Arduino

There are some problems in my coding. When I click the button, shape(c) will fall down. However, it does not work at all.

Also, How can I do this action, when I click the button, only one of Shape(c) will fall down, not all of the elements?

https://www.dropbox.com/s/ern9thoo1vcsxho/sketch_im.zip?dl=0

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