Step 5: "Bumblebee! Transform!" 
Feel free to make the Transforming sound effects!
Move the gear up (so it's out of the way)
Raise the body up
Push the handle 'Ride' bar in & down.
Lock it into place.
Swivel the engine cover down
...to reveal Bumblebee's face!
"Bumblebee ready!"
"...for Walk'n !"
