I started these nails off by using two blue polishes using the 'bag dab' / saran wrap / cling film method which was very effective but then I used L'Oreal's Confetti top coat over the top which made the base not show up so it was a waste of effort!
The Crumpet has a new challenge going, to help teach nail art from the simple to the master.
So week 4 and the task to master is the Saran Wrap / Clingfilm method, I prefer 'The Bag Dab' which is essentially the same thing, albeit with a plastic carrier bag rather than the saran wrap / clingfilm. You can see my tutorial for 'The Bag Dab' here, and here are some of my examples: