A few notes with stunt equations and jokes etc play games etc.. demand supply let's see
 
Giving me will make em buy something later or someone..
 
Laughter is best medicine and humor is hot and good 😊🙂 economics and subject equations price will reduce
 
How about selling pen refills lol :)
.
 
Free few available it's just 10 Paisa per note even with some fun patterns and diagrams..