Combine 2 cups cornstarch and 1 cup water in mixing bowl.
If your Oobleck is too thick to stir, add another Tablespoon or two of water.
How to Make JELL-O Play Slime
Add 3 scoops JELL-O Play powder to a mixing bowl (scoop is included with kit).
Add 1 scoop water to bowl and stir to combine. Add more water if needed until powder is completely dissolved and your slime is an Oobleck-like texture.
How to Make Zimpli Slime
Pour 1 cup water into a large bowl.
Add Zimpli Slime Play mix to bowl and stir until slime clumps together. If all powder does not dissolve, add a bit more water.
How to Make Fiber Slime
Combine psyllium husk and water in a LARGE microwave-safe mixing bowl. If using plain fiber, you can add food coloring too.
Whisk quickly for about 30 seconds until mixture gets a bit frothy.
Microwave for 4-5 minutes, watching closely. If mixture starts to bubble up near the top of your mixing bowl, pause cooking and allow it to settle before starting the microwave again.
Carefully remove bowl from microwave and stir for 20 seconds. (Adults should handle this step).