Discover the exciting world of coding through our "Ozobot Adventures" course!

Welcome to our "Energy Explorers" adventure, where scientists dive into the wonders of energy, collisions, and pure fun!

Discover the Tiny World! Through hands-on exploration, students will actively engage with digital microscopes to unlock the secrets of the unseen.

In this dynamic, hands-on engineering workshop, participants will dive into the fundamentals of robotics using the LEGO® Spike Essentials set.

Explore the advancing technology of Augmented and Virtual Reality Quest Headsets and create virtual worlds of their own through.

Discover the Tiny World!

In this course, we will develop your students' engineering design skills as they investigate ways of defining problems, brainstorming solutions, and testing and refining prototypes.

This course is a gold medal-worthy exploration of forces and motion.

Discover the exciting world of drones and their amazing missions!

Join our STEM Explorers class where we will learn about simple machines and get creative with recyclable materials as we design and build our very own projects.

Join us in the Maryville Crime Lab where we will solve puzzles about crimes just like a scientist!

Get ready for an action-packed adventure in our Gravity Grand Prix course!

Fuel your child's curiosity and drive to create with this dynamic session focusing on AI and Machine Learning!

Roll up your sleeves, put on your makers cap, and get ready to create! This is our most hands-on camp! Together, campers will build a geodesic dome large enough to sit in. Who can build the strongest bridge? Can your bridge withstand the shake rattle and roll challenge? Explore the world of birds and beasts with bird feeder building and our super bug investigation. Speaking of birds, what did Hooty the owl have for dinner? A mouse? A Squirrel? A Frog? Kids will dissect owl pellets and reconstruct Hooty’s dinner. Enter the Mad Science chemistry lab and mix, mash, and brew concoctions to create cool sidewalk chalk and bath fizzers! Assemble and control pulleys, levers, catapults, simple machines, and megapinchers! Campers will discover the wonders of photography and make their own chromatography-dyed T-shirt. It’s a week packed with non-stop science fun! Complimentary after-care is included from 3:00 pm to 4:00 pm. Additional before and after-care is available through Ballwin Parks and Recreation.

Camp Ondessonk's Mini Camp for children ages 8-10 years old. Mini Campers receive nearly constant guidance from our staff while boating, swimming, riding ponies, and more.