Add the peanut butter, crushed graham crackers, sugar and butter to a bowl and mix to combine. 

Divide the mixture into 36 balls. 

Place the balls on a cookie sheet lined with parchment paper. 

Freeze for 30 minutes.

Add the chocolate chips in a microwave safe bowl. 

Microwave on high in 30 seconds intervals stirring between each interval, until the chocolate has melted. 

Remove the balls form the freezer.

Dip each ball into melted chocolate. 

Sprinkle with holiday sprinkles. 

Refrigerate for minimum one hour before serving.