Nail Star Two-Way Nail Art Pen & Brush

I've got my set of 24 Two Way Nail Art Polish Varnish Paint with brush for a few weeks now. I love the variety of colours I got in this set. I have nearly every colour I could need (although I'd...

I bought a large selection of these from a Hong Kong seller on eBay, and could not find anyone else's review on these. I guess it is supposed to be similar to the Nubar 2-way pen, which I have...