The last person to stop eating their food wins the Mystery Box, but there is a twist!!! Watch to find out how Karina tries to trick Ronald to win the prize!!! Our dad is doing this challenge too :)
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Watch our playlists:
BEST VIDEOS    • PANCAKE ART CHALLENGE!!!  
CHALLENGES    • PANCAKE ART CHALLENGE!!!  
ROUTINES    • Morning Routine / Sister vs Brother  
OUTFIT CHALLENGES    • Switching Clothes with my Brother!!!!  
SLIME    • DON'T PRESS THE WRONG BUTTON SLIME CH...  
GUMMY vs REAL    • GUMMY vs REAL  
MYSTERY WHEEL    • MYSTERY WHEEL OF PIZZA CHALLENGE!!!  
FOOD CHALLENGES    • PANCAKE ART CHALLENGE!!!  
BABY SISTER    • Choosing a Name for Our Baby Sister!  
FUNNY SKITS    • Sleepover GIRLS vs BOYS  
24 HOURS    • 24 HOURS OVERNIGHT IN THE KITCHEN!!!  
CHIBI OUR CAT    • We spent $1000 on Cat Toys!!!  

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!!!

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