Enjoy one of the fastest and craziest events on three wheels at Trike Riot, a benefit for the American Cancer Society. 

The family friendly part of this event is from 11 a.m. to 5 p.m. with an assembly and trike ride. Bring your own trike or register with a new Razor DXT Drift Trike that you get to keep. Bike decorations, costumes and dress up is welcome. Helmets are required for kids 12 and under. Pricing begins at $20. 

More information: chesterfield.mo.us

Join fellow Pokemon Go enthusiasts at Laumeier Sculpture Park for an evening of hunting and battling Pokemon.

With five gyms and Pokestops at every sculpture in the Park, make sure to stock up on Lure Modules, Incense and Potions before the event. Whether to rep Team Mystic, Team Instinct or Team Valor, come out and catch 'em all at Laumeier! 

6 to 8 p.m. at Laumeier Sculpture Park.

More information: laumeier.org

Celebrate the 50th Birthday of the Daniel Boone library with a special story time and live music from the 1920s.

At 10 a.m., kids ages 2 - 6 can enjoy stories, songs and rhymes to wish the library a happy 50th birthday during a special early literacy story time. 

At 2 p.m., enjoy live music from the 1920s performed by the duo Harmony. For all ages.

Both event are free. At the Daniel Boone Branch of the St. Louis County Library.

More information: slcl.org

First Fridays at the Saint Louis Science Center include free parking and fun activities centered around a theme. This month: Journey to Middle Earth. You'll see amazing science demonstrations, Planetarium shows, Center Stage activities, special movie showings and more.

DigiGirlz High Tech Camp is a free once-day class for girls entering grades 8-12 to explore careers in technology. Pre-registration is required.

Participants will meet successful women from the technology industry to learn about their career experiences and inspirations. Presented by Microsoft and the Saint Louis Science Center, DigiGirlz High Tech Camp includes tech demonstrations, networking and hands-on workshops. Girls will also have the chance to win amazing prizes.

Explore the idea of never paying for gas again at the Saint Louis Science Center's 3rd Annual Electric Vehicle (EV) Car Show featuring factory produced models and cars converted to electric. 

Enjoy a day of pampering and makeovers and bonding time with your daughter at this spa-day event that benefits people who are living with cancer. There will also be fun activities for kids.

The 4th annual Beauty Bash, held at the Saint Louis Galleria, includes fun spa-day activities such as makeovers, manicures, massages and hair styles for guests of all ages, plus activities for kids, like a balloon artist, clown and face painter. There will also be a photo booth featuring Disney princesses!