Parent -- Line six heart-shaped 3-inch cookie molds with plastic wrap, leaving 1 inch of overhang. Coat with cooking spray. In large bowl, combine marshmallows and butter. Microwave on high for 1 minute, stir, and microwave 30 seconds longer.
Child -- Stir in cereal and pink sugar crystals. Coat hands with vegetable cooking spray, and press mixture into molds. Let mixture harden for at least 45 minutes.
Child -- Carefully lift hearts out of molds by pulling on plastic wrap. Press a craft stick 10 into bottom of each heart.
Child -- Decorate hearts by drizzling or spreading melted Candy Melts and chocolate morsels on top. Lay pops on waxed paper and top with sprinkles. Let set 20 minutes.
Heart-shaped plastic or metal cookie molds and lollipop or craft sticks are available at party or craft stores.