Use soft, pale colors to decorate. Pale pink, lavender, light green and pale yellow will all work well. Outline the front door with clear twinkle lights. Make and hang a banner that says Welcome to (your child's name) Enchanted forest. Cut out unicorns from poster board or construction paper and hang them around the party room. Use and stuffed unicorns you already own as table toppers and centerpieces. Make or buy flower garlands and hang them on the back of each chair. Tell the children they should place it around the neck of any unicorns the may catch. Make unicorn horns for each guest. Make cones out of construction paper, and glue or tape together. Have a table with paints and glitter for the children to use to decorate their horns. Attach a piece of elastic so the girls can wear them during the party.
Hollow out a purple cabbage to serve veggies in. Serve a fruit salad in plastic goblets or champagne flutes with bows tied around the stems. Serve pink lemonade in tea cups. Make Unicorn horns. Dip pretzel rods into melted white chocolate. Before the chocolate hardens, sprinkle pastel colored sprinkles on the pretzels. Serve hot dogs, but call them unicorn horns. Provide various toppings for the children to add themselves.