Fact About Crayons Posted November 28, 2018 by Green Mentos ⋄ Facts Share This Pin It Tweet It Crayons have been around for years, A Yale University study found that it ranked 18 among 80 recognizable scents to American adults. The top 3 were Coffee, Peanut Butter & Vicks VapoRub. Like this post? Share it! Related PostsFact About The EarthFact About NitrogenFact About OnionsFact About Zoos Follow Us!