Classic Oobleck is always a hit in my classroom. From amazed first graders to scientifically-minded adult learners, you can’t go wrong with a tub full of ooze. I wanted some more slime time in my room, but a quick Internet search gave me more recipes than I could ever use. Which ones are good? Which ones are duds? My kitchen at home quickly turned into a science lab where my two kids and I tested out a variety of the “best" slime recipes. Read on to find out which ones are classroom-worthy and which ones are a big pile of yuck!