Bubbling Bath Cubes

Directions

1. 1
   combine baking soda, cornstarch, citric acid and sugar in a food processor and pulse to combine.
2. 2
   with the processor running, drizzle all oils through the feed tube and process to blend.
3. 3
   add food coloring and just enough water to bring mixture to a crumbly mass with a consistency like damp sand.
4. 4
   transer mixture to ice cube trays pressing firmly into each to mold.
5. 5
   set cubes in a cool dry place and let dry overnight.
6. 6
   remove cubes from tray carefully, they should feel dry and hard.
7. 7
   package cubes into a glass jar.