[b]Setup[/b][br]- Drag slider to choose size of puzzle[br]- Enter pairs into the boxes on the right side of the window[br]- Use the checkboxes to choose the buttons you want students to see[br]- Click the button to submit the setup[br][br][b]Puzzle[/b][br]- Drag squares move pieces[br]- Click square to rotate pieces[br]- Use buttons for other actions