How do you put the puzzle together on astro knights island?

Answer 1

To flip all of the puzzle panels, you have to press 10 of the 20 panels exactly once :

• all four panels on the 2nd row
• the middle two panels on the 3rd row
• all four panels on the 4th row

Answer 2

You press 10 of the panels exactly once each :

• All four panels in the 2nd row
• The middle two panels in the 3rd row
• All four panels in the 4th row.