You can check how they are as under mentioned movies.
https://www.youtube.com/watch?v=tJbi-oWopBg
https://www.youtube.com/watch?v=Zog7bosyt9M
They are very unique and features are as follows.
Paint can be peeled off after dry but no damage.
Water colour type. No smell.
Pen Type. Very easy to paint anywhere.
A cap can be used as tool for peeling off and spatula.
No drip. The paints are for painting on also vertical surface.
Brush and roll can be used for painting.
Peeled painting can be sticked on surface again.
For glass, metal, plastic, etc.
You can paint on glass window, table, automobile body, surf board and etc.
