What you'll need:
Roll out the turquoise fondant and cut out heart shapes the same size as your cookies.
Use a small amount of water and your paint brush to moisten the back of the turquoise fondant and adhere it to the cookie.
Roll out the pink and white fondant and cut 1/2" strips.
Use these strips to cut triangle shapes out as shown.
Use a small amount of water to apply to the back of these triangles and adhere to the cookie as shown.
Use your royal icing to add dots between the triangles.
Use the royal icing to write the letters for "MOM" on each of the three triangles.
While the royal icing is still moist, add your gold petal dust to the top of the letters for "MOM".