Cracked glass stones tutorial - most popular dollar store craft tutorial of Preheat oven to 425 degrees. Bake stones for 20 minutes. Then dump stones into bucket of ice water & they'll immediately crack.
Pretty idea but please use battery/flameless tea lights and not actual candles. Plastic spoons will melt and rose petals are flammable. DIY Flameless Rose Tea Lights: so pretty for a wedding table, tea or brunch.