Slippery competition
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Kids in the Netherlands taking part in this slippery competition

17 August 2017 Last updated at 16:16 BST

How's this for a cool competition?

Children in the Netherlands have been taking part in the annual log walking championships.

The aim of the game is to walk between two river banks, on a tree trunk, covered in soap, without falling into the water.

Take a look at how things went.