Both the penny farthing and the bellcycle are front wheel driven. Most versions of the penny farthing were not geared and hence had large wheels. The bellcycle has a few unique features which make it easier to ride than a penny farthing. See https://www.youtube.com/watch?v=mZABEA6083M
Your center of gravity is in the center of the bike and it is not that easy to flip over. But if you do hit the brakes really hard or run into something immovable then you just land on your feet. In a regular bike you land on the handlebars.
Do you have a socket set or an allen wrench set?
Have you used these items before in a project that took you more than 10 mins to finish?
If you answered Yes to both of these questions, then you are good.