MAGIC POTION BOTTLES MAGIC POTION BOTTLES NB. Be very careful with the Alka Seltzer. Do not leave children unsupervised with it. INGREDIENTS Vegetable oil Food colouring Water Alka-Seltzer tablets A tall bottle or jar (with a cap or cork) Funnel INSTRUCTIONS 1. Use a funnel to fill your bottle/jar ¾ full with vegetable oil 2. Fill the rest of the way up with water, leaving about an inch of room at the top 3. Add in drops of food colouring 4. To make your magic potion bubble, simply break an Alka-Seltzer tablet into quarters and drop it into the bottle. Your potion will brew and bubble just like magic!