01 - Line a baking sheet with parchment paper to prevent sticking.
02 - Combine semisweet chocolate chips and unsalted butter in a microwave-safe bowl. Heat in 30-second intervals, stirring after each, until melted and smooth.
03 - Dip the ends of eight pretzel sticks for each serving into the melted chocolate. Arrange them in a starburst pattern on the prepared baking sheet to create the legs.
04 - Place one round chocolate candy at the center of each leg set, gently pressing so the chocolate secures the legs.
05 - Affix two candy eyes onto each spider body using a small drop of melted chocolate as adhesive.
06 - Transfer the baking sheet to the refrigerator and chill for 10 minutes or until the chocolate is firm.
07 - Remove from the refrigerator and serve immediately.