GIRLS vs BOYS BUTTER SLIME CHALLENGE!!!!!!

GIRLS vs BOYS SLIME challenge!!! And we are making BUTTER SLIME!!!!!! Who do you think won? GIRLS or BOYS?????? SIS vs BRO instagram @ sisvsbro_karina_ronald Karina has a new instagram @ kurzawa_karina Ronald's new instagram @ ronaldkurzawa NEW MERCH: https://www.sisvsbro.com Welcome to SIS vs BRO! This is where Karina and Ronald join forces to challenge each other in countless fun videos! Challenges, gaming, and more!!! Be sure to SUBSCRIBE and we will see you in the next video!!! Facebook: https://www.facebook.com/karinavsronald/ We LOVE you guys!!!