How many crayons will fit on a 28x35cm canvas?

How many crayons will fit on a 28x35cm canvas?
Technically, it depends on how big your crayons are.
Let's asume the average. According Wikipedia, a standard sized Crayola crayon is 3" 5/16" this is 9.2 cm x 0.8 cm, then 133 crayons will fit.