In a bowl, add in corn starch, citric acid, and baking soda stir well. Add in oil and stir with a fork to keep light and fluffy. Add in lemon juice, lemon zest, vanilla, and stir well.

Using the mold packet both sides of mold then press together. Once you press together leave in mold for about a minute then remove and place on a tray to dry (harden) overnight.

The possibilities are endless with different molds, colors, and fragrances. Let your imagination guide you!