in 1978
Yes all crayola markers are water based but some are washable and some are not based on the dyes in them
To answer any of your other questions that have are,Crayola, and nontoxic, Any Crayola product is nontoxic.
Who invented Crayola?
No, the ink that Crayola uses is non-toxic.
"all crayola art materials are certified non toxic" so no.
markers crayons pencils ect.
yes
Eddie Stillson
no because it says NO TOXIX
Yes ,The Crayola company has done lots of research on markers.
Crayola markers can be purchased from several online retailers. Some of these include Staples, Walmart, Target, Office Max, Amazon, and Discount School Supply.
Crayola started in 1885. For more information, see the related link.