Use right arrow key for next page and left arrow key for previous page. I'm a LEGO expert. (I started Lego 5 years ago)
Thanks @JSO for the Lego bricks that have been used for examples: https://scratch.mit.edu/projects/20884/editor/ The rest of the images are taken from Google Images. Thanks @qucchia for music: https://scratch.mit.edu/projects/283968689/ Lego is made by The Lego Group. Website is LEGO.com.
