Snowflake Growing Experiment (Crystal Frost) This experiment grows icy, snowflake-like crystals on a simple shape. It’s safe, hands-on, and perfect for winter science. Materials 1 cup very hot water (adult help) ½ cup Epsom salt (magnesium sulfate) Shallow clear dish or bowl Spoon Food coloring (optional, for the base) Snowflake shape: Pipe cleaners twisted into a snowflake OR a plastic snowflake ornament OR a sponge/cardboard snowflake Small stand, clay, or tape to hold the snowflake upright In