Materials Clear glass jar 2 cups very hot water (not boiling) Borax powder (laundry aisle) Food coloring: red purple (for raspberry plum) Clean, dry seashell String or cotton thread Spoon, pencil, or stick Measuring cup Stirring spoon Paper towels Color Tip (Raspberry Plum Shade) Soft plum: 2 drops purple 1 drop red Deep raspberry plum: 3 drops red 2 drops purple Dark jewel tone: 4 drops red 3 drops purple Adjust slowly for best color control. Instructions 1. Prepare the Crystal Solution Heat ab