Prepare 2 recipes of crisped rice cereal treats. Prepare 1 recipe according to directions and press 1 in. deep into jelly roll pan prepared with vegetable pan spray. For recipe used for tree, add green icing color to melted margarine and marshmallow mixture before adding cereal; blend well and add cereal. Press green tinted cereal mixture into cookie pan prepared with vegetable pan spray.
Use round metal cutter to cut one 1 base for each treat desired from mixture in jelly roll pan.
Remove Christmas tree treat from pan and use melted candy to attach confetti sprinkles to front and pretzel stick to back. Trim pretzel stick on tree to 2 in. length and insert into base.
Use melted candy in cut disposable bag to pipe "snow" around base of tree. Pipe tip 3 green, violet, red, blue ribbons and bows on sugar cube gifts. Attach gifts to base with melted candy.