Enter this Pizza Hut contest and win free pizza for life!

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MILWAUKEE -- Want free pizza for life? All you have to do is guess the number of dominoes knocked down in a world record.

Recently, Pizza Hut set a world record by setting up and toppling the most amount of dominoes in the shape of a pizza.

The dominoes build took 14 master dominoes artists and more than two days to construct.

Guesses must be submitted via e-mail by Thursday, August 31. The first person to guess correctly will be awarded free pizza for life!

Watch their video here:

You have to be a "Hut" rewards member to enter.