Sentence 1: Mike really wanted to learn to ride a skateboard. 
 Sentence 3: He started slowly by trying it in his driveway 
 Sentence 4:  He then got confidence and went to the sidewalk 
 Sentence 5:  Soon after he was confident enough to go to skate park 
 Option 1: So he went to the skate park and started practicing. 
 Option 2: So he went to the store and bought one.