How did Sang-Woo trick Ali?

How did Sang-Woo trick Ali? Unfortunately for Ali, Sang-woo’s plan was a trick to distract him while he swapped Ali’s bag of marbles for a bag of pebbles, keeping the real bag for himself. With minutes left in the challenge, Sang-woo turns in the bag of marbles he stole from Ali, securing his safety and Ali’s demise seconds later.

Unfortunately for Ali, Sang-woo’s plan was a trick to distract him while he swapped Ali’s bag of marbles for a bag of pebbles, keeping the real bag for himself. With minutes left in the challenge, Sang-woo turns in the bag of marbles he stole from Ali, securing his safety and Ali’s demise seconds later.