Homemade Play Dough Bubble Bath Step 1: Gather Supplies- bubble bath, cornstarch, and olive oil. Step 2: Mix 1/4 cup bubble bath and 1 Tablespoon of olive oil in a bowl. Step 3: Add 1/2 cup cornstarch and mix it in. If it is still thin and doesn’t pull together add another 1/4 of cornstarch. … Continue reading Homemade Play Dough Bubble Bath