Cilla and Maddy take on the What's In The Box Slime Challenge, selecting ingredients from a mystery box to create their own slime. This video is part of the JKREW family, which includes Mommy, Daddy, ...

Maddy and Cilla compete in the FIX THIS SLIME CHALLENGE, where SIRI decides which slime ingredients they will use to improve their ugly slimes. One ingredient is beneficial, while the other is not.