I love Oobleck, and I just had to find out if it's capable of protecting an iPhone 7 from a sledge hammer! It's going to be freaking epic! Let's get started! Oobleck is wacky and crazy in all the right ways! It just feels so weird in your hand and how it stops stuff moving fast is just nuts. What you need for making Oobleck: Corn starchWater Food dyeThat's it!