http://www.nikwax.com/en-gb/webquiz/index.php

Register.
Answer some simple multiple choice questions (each have a
clue).
You need to get the questions right, but they let you change
them if they’re wrong... very easy!"You can repeat the quiz as
many times as you like and you will get different questions each time.
You can only win a maximum of one free product per household every 3
months. However, for every 3 friends you have referred that play the
quiz, you will be able to play and win again immediately. No cash
alternative available. Open to residents in US, Canada, UK, Germany,
Switzerland, Austria, Denmark, Netherlands, Belgium and Luxembourg.
Nikwax, or its representatives, reserves the right to substitute an
equivalent prize should the prize stated be unavailable. "

Take the quiz. You have to get the questions right, but you can take the quiz again until you do. You can get samples from them every 3 months.

Take the quiz. You have to get the questions right, but you can take the quiz again until you do. You can get samples from them every 3 months.

LUCKYCHARM wrote:

http://www.nikwax.com/en-gb/webquiz/index.php

Register.
Answer some simple multiple choice questions (each have a
clue).
You need to get the questions right, but they let you change
them if they’re wrong... very easy!"You can repeat the quiz as
many times as you like and you will get different questions each time.
You can only win a maximum of one free product per household every 3
months. However, for every 3 friends you have referred that play the
quiz, you will be able to play and win again immediately. No cash
alternative available. Open to residents in US, Canada, UK, Germany,
Switzerland, Austria, Denmark, Netherlands, Belgium and Luxembourg.
Nikwax, or its representatives, reserves the right to substitute an
equivalent prize should the prize stated be unavailable. "