Melt chocolate chips in microwave until just melted, around 20 seconds, stir until completely melted.
Dip tip of knife or chopstick into melted chocolate chips and "draw" a pumpkin face on the inside each glass with the chocolate. (They don't need to be perfect!). Set aside to dry while you make the smoothies.
Pour Mandarin oranges, including juice or syrup, into blender.
Add peach yogurt and bananas.
Blend until smooth.
Add ice and blend again until smooth.
Tip glass and pour smoothie into each glass (away from the melted chocolate face).
Top with green straw for the pumpkin stem. (If you are using short glasses, cut the straws in half so you don't have a really long "stem.")
Notes
Nutrition information is estimated. Changes to the recipe and use of different brands may cause changes to the nutritional information to vary slightly from the ones provided here.
Don't forget to pair the recipe with your favorite pumpkin children's book, too!