So this was a project I started back in June 2018 for a bit summer practice to keep my hand in with Unity ready for next year. For the most part it went well. I did manage to get a working level. However since getting back to uni I now know that a lot of what I did needs extra work, including transition between scenes, a better menu & batter marble movement mechanics.
You can get the project from the Repository and take a look at it if you wish: https://github.com/DevJUK/MarbleBlastClone