Line 10.5 in. x 15.5 in. cookie pan with parchment paper.
Melt Candy Melts candy following package instructions; spoon into prepared pan. Tap pan on counter to remove air bubbles; if needed, smooth top with large spatula. Sprinkle on Rainbow Chip Crunch.
Chill until firm, about 15 minutes. Remove parchment from pan; break candy into smaller serving pieces.