Using tongs, dip cookies in candy coating; allow excess to drip off. Place on waxed paper. Place 2 chocolate chips on 1 end of each cookie for eyes. Place M&M's minis down middle for buttons and between eyes for nose.
For arms, dip ends of 2 pretzel stick halves into coating; attach 1 to each side of snowmen. Let stand until set. Pipe mouth and scarf with gel or frosting.