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Step 1: Vinegar and Cooking/Vegetable Oil.
First, you need a a cup (open) then you add 60% of the of vegetable oil and 40% of vinegar.
Step 2: Food Colouring
Next, add your food colouring to your DIY lava lamp.
Step 3: Soda & Water
Then, add a spoon of soda in another cup and mix it with water. Then after you done that, add the mixture to your DIY lava lamp and your done! ENJOY!
Step 4: FAILED RESULTS
You do not want to have it in a bottle or confined case because it doesn't really work well.