$1 VS $1000 BEST SCIENCE EXPERIMENT WINS!

In todays video Mary and Izzy are doing science experiments. Mary and Izzy will each get a budget of either $1 or $1000 and they will have to compete to make the best science experiment. $1 VS $1000 BEST SCIENCE EXPERIMENT WINS! Twin Telepathy YES OR NO Challenge    • Twin Telepathy YES OR NO Challenge   Yes or NO challenge McDonald's edition    • YES OR NO CHALLENGE -  MCDONALD'S EDITION   GUESS THE EMOJI CHALLENGE    • Guess THE EMOJI, Win $1000! (Challenge)   LAST TO STOP EATING SPICY CHIPS | Life With Brothers    • LAST TO STOP EATING SPICY CHIPS  | Life Wi...   IS IT CAKE OR REAL CHALLENGE?    • IS IT CAKE OR REAL CHALLENGE?   LAST TO STOP EATING SPICY CHIPS | Life With Brothers    • LAST TO STOP EATING SPICY CHIPS  | Life Wi...   24 Hours OVERNIGHT In MY BROTHERS ROOM!!    • 24 Hours OVERNIGHT In MY BROTHERS ROOM!!   FIX THIS SLIME BLINDFOLDED CHALLENGE! Did Izzy CHEAT??    • FIX THIS SLIME BLINDFOLDED CHALLENGE! Did ...   LAST TO LEAVE OUR SISTERS ROOM!! (Bad Idea)    • LAST TO LEAVE OUR SISTERS ROOM!! (Bad Idea)