Spawning object with button, not on start up.

Getting Started Newbie Questions
#1

I have a button that can spawn an object but I need that object to only appear once I have clicked the button, not on start up like it is doing now. 
Anyone out there know how to handle this? would be greatly appreciated 

#2

Just set the object.alpha = 0

On the button press set the object.alpha = 1

#3

Just set the object.alpha = 0

On the button press set the object.alpha = 1