You only need a few Basic Cookie Decorating Supplies to start decorating cookies. I have complied a list of things you need to start decorating like a pro.
Most commonly used cookie decorating supplies by sweetambs
Basic Cookie Decorating Supplies and a Printable Shopping List
A Beginner's Guide to Cookie Decorating Supplies by Semi Sweet Designs @SemiSweetMike. A comprehensive list of all the tools needed to create custom decorated cookies.
Amazing Site to bookmark ... "Sweet Sugar Belle" ... this is a basics of decorating supplies to start ...
Crash Course in Decorating Cookies. "Jennifer from Not Your Momma’s Cookies talks about decorating sugar cookies--the basics, equipment needed, and a link to easy and beautiful tutorials."
Icing Bottles for perfect cookie frosting - this lady has absolutely gorgeous cookies!
loving the simple look of stamped message cookies and just a touch of icing...
Christmas cookies: gingerbread cut-outs with holly sprig design in royal icing ~ looks like a lot of work but wow @ results! recipes & decorating tutorial | from Little Wonderland via Google Translate
Tea Set Cookies by HENS1 posted on Cookie Connection