The Best Things To Do Around The Main Line with Kids

Discover the best family-friendly things to do in and around the Main Line with kids, including events, festivals, attractions, and free activities through our curated calendar. Find what’s happening in Chester, Delaware, and Montgomery Counties today and plan your next family adventure!

💞 Check out our sister Community Calendars too: Philadelphia Family and Bucks County Parent.

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Main Line Parent Community Calendar

All Day

Community Mural Painting with Brittany Grala

This mural is designed as a welcoming, joyful, and collaborative mental health message. Community members of all ages can participate using a paint-by-numbers approach on April 23 - 25.

Ongoing

Pennsylvania Antiques Show at Valley Forge

Valley Forge Casino Resort 1160 1st Ave, King of Prussia

The Pennsylvania Antiques Show is a multi-day event held at the Valley Forge Casino Resort that showcases a curated selection of Americana, fine art, folk art, jewelry, and decorative arts from a wide range of time periods.

Festival of Colors

East Goshen Park 1661 Paoli Pike, West Chester

Family-friendly Festival of Colors — celebrating 10 years in Chester County with safe, natural colors for kids.

ElderNet’s 50th Anniversary Celebration

The Bryn Mawr Gazebo 9 S. Bryn Mawr Avenue, Bryn Mawr

Time to celebrate 50 years with food, entertainment and more! For 50 years, ElderNet has been the quiet force helping older adults in Lower Merion and Narberth remain safe, nourished, and connected at home.

Small Wonders: A Fairy House & Miniature Making Workshop

Lansdown Economic Development Corp. 32 E. Baltimore Ave., Lansdown

Step into a world of imagination, creativity, and a little bit of magic! In this hands-on Fairy House Workshop & Woodland Walk, participants will design and build their own miniature fairy furniture, doors, and tiny details—then bring their creations to life outdoors.

Astronomy Day 2026

The Franklin Institute 222 N 20th St, Philadelphia

Celebrate International Astronomy Day at The Franklin Institute. Spend the day unlocking the mysteries of the universe across four floors of out-of-this-world experiences, including the two-story Wondrous Space exhibit, Fels Planetarium, and the Holt & Miller Observatory.

Izzy’s Earth Day Party!

Elmwood Park Harding Boulevard, Norristown

With fun, hands-on activities, children will explore nature in exciting, memorable ways that inspire them to care for and protect our planet at Elmwood Park's FREE Earth Day Party!