To select a training piece, click on the drop-down menu arrow when provided at the top of a web page, just to the right of the words "SELECT PIECE OF PUZZLE." Note: Pop-up windows do not have the drop-down menu available.
You can select any piece of the puzzle you wish to complete and in any order you desire.
when provided at the top of a web page, just to the right of the words "SELECT PIECE OF PUZZLE." Note: Pop-up windows do not have the drop-down menu available. 
