There are several reasons why an exercise does not show up as correct when you press the ▶ button.
First, make sure you have the correct solution. As a teacher, you can always press the Instructions button in the upper right corner to confirm the answer.
In some games, the playing area is quite large, and it is possible that some blocks that you used in your game will be "hidden". In this situation the level will not show up as correct.
Use the horizontal and vertical navigation bar to look for blocks that may be lost.
Navigation Bars in the Block Puzzle Game
By deleting them, you can retry to confirm your blocks by pressing the ▶ button.
Alternatively, you can at any time press the broom button, which will cause all the lost blocks to reappear on the main screen.
If after trying these instructions your exercise still shows up as wrong, please contact our team using the Talk with us button or the email address hello@ubbu.io, indicating the class name.
