Stetson University’s Gillespie Museum will celebrate the Ninth Annual Mostly Green Halloween on Saturday, Oct. 28, from 10 a.m.-1 p.m.

The event is part of the museum’s monthly Science Saturdays and will showcase hands-on activities and experiments demonstrating some of the mysteries of the plant and animal world. Admission is free and scientists of all ages are welcome. Gillespie Museum is at 234 E. Michigan Ave., DeLand. For more information or to register call 386.822.7330.

The array of hands-on activities for young scientists include a scavenger hunt for native plants, a craft designed to investigate the movement of seeds, and the Mysterious Microscope chamber created to feel the diverse shapes and textures of plant parts. Young scientists can make their own wand and learn chemistry basics in a Potions Lab, provided by the Stetson HATS (High Achieving Talented Students) Program.

“During this fun, Halloween-themed event, Stetson students will have a chance to apply their knowledge and share their excitement about the natural world with young scientists,” explains Karen Cole, Ph.D., director of Gillespie Museum at Stetson.

All activities have been designed by Stetson undergraduate students to encourage visitors to engage with the wonders of the natural world. Stetson students in the Flora of Florida class with Cynthia Bennington, Ph.D., will supervise a range of outdoor activities that appeal to children’s curiosity about the natural world.

The Stetson Beekeepers will offer demonstrations, and Gillespie Museum guides and Florida native plant interns will lead activities both in the museum and on its grounds.

Costumes are encouraged. The event is open to the public and admission is free. Children under 16 must be accompanied by an adult. Visitors will be welcome to explore the museum’s mineral collections and earth science displays including its newest exhibition, Florida Formations: Shifting Seas and Sediments.