Join us in the land of the stinking onion, also known as Chicago! The onion is one of the first plants to creep up through the snow in the early spring. We?ll use our senses to meet and greet this early riser. Registration required at 312-744-5472. Parents/guardians are required to stay with their children throughout the session. Pre-school classes are recommended for children ages 3-6. This preschool topic is repeated four times; please choose just one session to attend.