Line a large rimmed baking sheet with parchment paper. Set aside.
Remove the pre-portioned edible chocolate chip cookie dough from package. They should be pre-shaped in 1 tablespoon sized squares.
Press a mini pretzel onto both flat sides of each cookie dough square to sandwich the dough. Place on prepared baking sheet.
Freeze the pretzel cookie dough bites for 20 minutes.
Microwave the milk chocolate melting wafers in a microwave-safe bowl on high for 1 minute. Stir, then heat an additional 30 seconds and stir until smooth.
Dip each pretzel cookie dough bite halfway into melted chocolate, sprinkle with rainbow jimmies, and place back on parchment.
Freeze chocolate-dipped bites for 10 minutes until chocolate is set. Serve chilled.
Notes
Use edible cookie dough to ensure safe consumption without baking.