Decorate cookies. Prepare three decorating bags with couplers. Fill separately with light green, dark green and orange icing. Attach tip 3 to bags.
Attach tip 3 to light green, dark green and orange bags.
Using light green, dark green and orange icing, ice cookies. Let dry at room temperature, at least 8 to 10 hours or overnight.
Prepare decorating bag with tip 1 and white icing. Pipe bones on cookies. Let dry.