You can also try your hand at making your own theme by customizing the font, colors, and 3D variables. It's a lot of fun to play with, so put yourself in an '80s state of mind, and dive in.

Designer Chris McVeigh makes cute retro tech Lego builds, harking back to the days of floppy disks, CRT monitors, and old video games.

In the CRT system, the monitor toggles rapidly between the images for the right eye and the left eye. The effect leads to a composite 3D image, but it can give people headaches.