Mud, mud, glorious mud! What's going on here? Whatever it is, Danny, 8, looks like he's not quite sure about taking part...
It's Mud Day in Michigan, America, as advertised by nine-year-old Noah here.
Hundreds of children get to splash and stomp around in mud ponds for the day. Sounds pretty good to us..
A whopping 200 tonnes of soil and 20,000 gallons of water are used to make the mud at Wayne County Parks in Michigan.
If you can't beat 'em, join 'em. Sarah, 7, tries to make herself a mud wig.
Phew - mud fighting is a pretty tiring business.. It's all got a bit too much for this pair.
But luckily you get to hose off at the end of the day. Wouldn't fancy clearing this place up..