A scavenger hunt! Participants will look for different color 3-D printed trilobites hiding in the outdoor classroom. Find one of each color and get a moveable trilobite model. One of our Naturalists at Heart volunteers will talk about these extinct marine critters and how they lived. 1 hour. Meets in the picnic area. $7.00 program fee is covered by a grant from the Falls of the Ohio Foundation (includes admission to exhibit gallery)