What is using Blopens like?

Question: What is using Blopens like!?
Best Answer - Chosen by Asker:

It's pretty fun!. You blow in them to spray the ink/paint!.
They make a good gift too!.Www@QuestionHome@Com

making use of stencil by blowing out the colors from the pens can make very beautiful picture!. But blow too hard and for long time can be very dizzy!.Www@QuestionHome@Com