Distribute the candy pearls between the 4 pop shapes in the pan - set aside
Add butter, marshmallows & vanilla to a large bowl
Heat in microwave 2-3 minutes - stirring after 2
Stir until smooth
Add krispies & stir until combined
With wet hands - divide krispie mixture into 4 equal parts
Press each part into the flower pan firmly- really pack in down in there
Carefully insert your pop stick about 2 inches deep into your treat
Refrigerate at least 1 hour to firm up before removing from pan & serving.