No dyes- no smells! Its all the fun without the mess. Comes with 8 colorful markers allowing you to create endless designs. The Egg Mazing egg decorator will change the way families decorate their Easter eggs. Great DIY craft for the entire family to use all year long. Very exciting! There is no other egg decorating product on the market like the Egg Mazing egg decorator. Requires 4 AA batteries (not included).