7 things to do in October in Grapevine, Colleyville and Southlake

Katherine Lawrence, a nutritionist from Food Saved Me Institute, will host a cooking demonstration and class to discuss how food can impact health. Attendees can learn how to reduce the risk of breast cancer with nutritious meals.

• Oct. 19, noon-2 p.m.
• Tickets on sale Sept. 28
• 307 Parkwood Drive, Southlake
• www.cityofsouthlake.com

The 26th annual Butterfly Flutterby celebrates the magic of monarch butterflies as they migrate through from Canada to Mexico. This family-friendly event will include an art contest, a costume parade and live butterfly releases.

• Oct. 21, 10 a.m.-2 p.m.
• Free (admission)
• Grapevine Botanical Gardens at Heritage Park, 411 Ball St., Grapevine
• www.grapevinetexasusa.com/events/annual-events-festivals/butterfly-flutterby/

This convention will give attendees tools to live a healthier life using science and technology. Attendees can meet health and wellness professionals, experience revolutionary technology, and learn ways to improve their life and wellbeing.

• Oct. 25, 6 p.m.-9 p.m.
• $29-$59
• Colleyville Center, 5301 Riverwalk Drive, Colleyville
• www.allevents.in/colleyville/changing-life-and-destiny-expo-colleyville/10000698498215967

Visitors can board the Grapevine Vintage Railroad’s Trick 'r Treat Trains for a Halloween experience. The event includes goodie bags, interactive games and storybook readings.

• Oct. 29, 10 a.m.-3 p.m.
• $20
• 705 S. Main St., Grapevine
• www.gvrr.com/special-events/trick-r-treat-trains