Use stiffer buttercream for the folllowing: Make 3 snow kids using patterns and tip 1, 2, 3, 4, 5, 10, 11, 13, 46. Using tip 10, pipe a line of icing for the body, tuck tip into sides and pull-out arms and legs. Add tip 11 ball of icing for head, flatten with finger dipped in cornstarch. Using tip 1, add dot eyes and dot and string hair. Pipe tip 3 outline and pipe-in mouths and tongues, tip 5 earmuffs and hats, add tip 13 snow snowflake on tongue. Pipe tip 3 dot buttons, tip 4 string belt, tip 5 boots and mittens, tip 46 smooth side scarves.
Trim ice cream cones in varying sizes and make 5 trees using tip 18 pull-out. Make extras to allow for breakage.
Ice 1-layer cake sides smooth; ice top fluffy. Using a spatula, smooth area for message, use back of spoon to smooth are for snow kids. Imprint message using pattern press kit; outline using tip 2.
Pipe tip 21 bottom shell border. Position trees and snow kids. Using tip 5, outline snow kids, blend edges using spatula. Sprinkle edible glitter on cake top; sprinkle powdered sugar on trees using strainer.