Conversation so far:
When was Thor Heyerdahl's Kon-Tiki expedition?
Thor Heyerdahl became notable for his Kon-Tiki expedition in 1947.
Where did the Kon-Tiki expedition start from?
The expedition began in Peru.
How many people were on the Kon-Tiki expedition?
Heyerdahl and five fellow adventurers sailed from Peru to the Tuamotu Islands, French Polynesia.
How long did the Kon-Tiki expedition take?
The Kon-Tiki expedition lasted 101-days.

Question: What type of vessel did they take to get there?
Self-contained rewrite: What type of vessel did the Kon-Tiki expedition crew take to get to the Tuamotu Islands?