Cut open gourds and pumpkins and take a closer look. Scoop, weigh and measure what's inside of them. Count and make a seed collage.When: 9:30-10:15 a.m.
Professional instruction includes sticks, pucks and helmets.Cost: $6, $5 kids 12 and under
Weaving together dream-like narratives of the assassinations and attempted assassinations of the U.S. presidents, this musical comedy brings to light the pain of alienation, regret, and isolation that underlies each character's failure to achieve the American Dream. Previews Oct. 10; the show runs through Nov. 10. Performances are Tuesday at 7:30 p.m. (Nov. 6 only), Wednesday at 7:30 p.m. (Oct. 10 only); Thursday, Friday and Saturday at 7:30 p.m.; and Sunday at 7 p.m. For tickets or more information visit assassins-chicago.com.Cost: Tickets are $45.
Book writer and illustrator Marla Frazee reads from and signs copies of her new picture book, "Boot & Shoe," a tale of two dogs and the squirrel that disrupts their easy routine.When: 4:30-5:15 p.m.
The new Railway Garden, a G-gauge model railway running through a 2.5 acre site, opens April 30. Visitors enter through a 1920s-era railway depot to see trains running through a garden of miniature plants, water features and a variety of landscapes. May 1 through October.When: 10 a.m.-6:30 p.m.
Visitors can walk inside the two-story silo and turn the crank of a silage machine, watching "corn plants" delivered to the top of the silo. Plus, learn about the history of silos and silage, build miniature silos with building blocks simulating wood, brick and metal and much more.Cost: Free with admission
See a toy so amazing, so unbelievable, it has the power to transform into anything you want it to be. Enter a world where imagination rules, and ordinary becomes extraordinary.Cost: Free with admission
Kids enter artist Gino Severini's interpretation of trains by role-playing engineer, passenger or conductor in a child-size train and look for objects in an eight-foot wide "hidden pictures" mural of artist Don Stewart's "Steam Train." Plus, enjoy specially designed wooden train tables and a huge new interactive crane.
Cost: Free with admission
The exhibit features the illustrations of W. W. Denslow, a Chicago resident whose famous illustrations helped to inspire the design of the classic 1939 MGM film starring Judy Garland. The bright and colorful exhibit provides a variety of learning opportunities and hands-on activities within a three-dimensional representation of Denslow's distinctive illustrations.Cost: $9.50, $8.50 seniors
Take a behind-the-scenes glimpse at the world of magic and its historic roots in Chicago. Features a multimedia object theater experience, artifact display and live performances. Discover the tricks of the trade and witness Chicago's magical past reappear before your very eyes.Cost: Free with admission