So the next day he asked his dad to take him to the park because he was going to ride with out training wheels.
They got to the park and Josh told him the secret to riding with out training wheels "pedal fast".
And off he went! Later in the afternoon we all went to the park so Isaac could show me how good he really was. And he wasn't exaggerating... he's good. He has also mastered starting by himself. Well, most of the time. Take a look at the video below.