To start the project press the green flag. Then, to move to the next page, press the space key. Then to move to the next slide, press the right arrow key. Then to move to the next slide, press the left arrow key. Then to move to the next slide, press the up arrow key. Then, to move to the next slide, press the down arrow key. Finally, press the a key, then the b key to move to the final slide. WAIT UNTIL THE ACTIONS HAVE STOPPED TO MOVE TO THE NEXT PAGE!!
The bug was when the ball was touching the color of the sprite it should bounce, but it didn't and now, its fixed! Also, I didn't instruct the viewer properly to wait until the actions have finished.