Ballpark Village will host free crossfit classes this spring and summer on the Busch II infield. Classes will be led by local crossfit instructors and will be held on select Saturdays at 10 a.m.

More information: stlballparkvillage.com

Life in the west in the 19th century offered the promise of a new life, if you were willing to leave everything you knew behind and take the road to the unknown.

Visitors are encouraged to step back into the 19th century at this interactive family event. You'll imagine being a family that has just arrived in Missouri to settle here, or a family traveling west to uncharted territory. What arrangements need to be made and what supplies will be needed? You'll trade, barter and interact with other families to prepare for your trip.

ROOKie Readers is a literacy program designed for children ages 2-5 and their caregivers. Each week. little ones can enjoy a different story and a variety of games and activities. Each session lasts approximately one hour.

Cost is $5 per adult/child pair. Free for members of the World Chess Hall of Fame. One adult per child required. There is a limit of 12 adult/child pairs per session.

10 a.m. At the World Chess Hall of Fame in the Central West End.

Bring your child, ages birth through 2, to Breakfast with Baby, designed to foster your child's early understanding and appreciation of the visual arts. Each session includes light refreshments, socializing, and an activity led by an early childhood educator. Each session focuses on a different area of creative and cognitive development.

At the Gateway Arch, the $3 entrance fee included in each adult Tram Ride to the Top and adult Documentary Movie ticket is waived, reducing the cost of each ticket.

Safety Town is a nationally recognized preschool safety program that teaches 4, 5, and 6-year-olds about a wide variety of safety issues, including bicycle safey, water safety, school bus safety and stranger danger. The program includes classroom activities as well as outside, hands-on activities in the miniature Safety Town city.

The program is hosted and staffed by the Chesterfield Police Department in cooperation with the Chesterfield Rotary, Chesterfield Kiwanis and the Parkway School District. The program is conducted for six, two-week sessions during the summer months.

The Rockwood Parent Series continues on April 14 with a free presentation on Internet Safety and Cyberbullying. Parents will learn what they can do to prevent cyberbullying and what to do when it happens, as well as precautions to take to keep their kids safe on the internet. The speaker is Tom Durkin, public education director for the Missouri Attorney General's office.

Free. 7 to 8 p.m. at Rockwood South Middle School.