AN INTENTIONALLY MESSY DAY

Every year, Clayton Early Learning marks International Mud Day with something that looks, from a distance, like pure chaos. Children squishing, squealing, slogging through mud, shaping it into pies, pressing it into sculptures, and generally doing everything their instincts tell them to do when faced with a glorious pile of earth and water.

But take a closer look, and it’s something else entirely: learning.

At Clayton, we believe play is curriculum. For children in their earliest years, unstructured sensory experiences of touching, building, experimenting, and creating are how their young brains develop. When a child plunges their hands into mud, they are building tactile awareness, practicing creative problem-solving, regulating their emotions, and connecting with the natural world. The mess is the method. 

“Children don’t need to be told to explore; they need to be given the space to do it,” said Danielle Wilbert, Education Manager at Clayton.  “Mud Day is us saying yes to that instinct, and watching what happens when we do.”

This year's celebration added a new dimension: Mud to Masterpieces, a hands-on sculpture experience that invited children to think of mud not just as something to play in, but as something to make art with. Mud is, after all, one of humanity's oldest creative materials. Watching a four-year-old discover that for themselves is something.

There's also the science of dirt itself. Research shows that early exposure to natural environments with soil and plants —the microbial world underfoot—helps train young immune systems to be stronger and more resilient. For Clayton's children, many of whom grow up in Denver's urban core without easy access to outdoor space, International Mud Day is an intentional gift: the kind of nature-based play that every child needs and deserves, regardless of their zip code.

Wilbert added, “You can talk about the science all day, and the science is real. But watch a four-year-old discover mud for the first time and you don’t need a research paper to know something important and beautiful is happening.”