Vickroy: Reminder to parents: Kids need nature

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Oliver Levy 4 Palos Park looks pine needles stretch tall pine trees during preschool Children's Farm The Center Palos Park

Oliver Levy, 4, of Palos Park, looks at pine needles in a stretch of tall pine trees during preschool at the Children's Farm, The Center in Palos Park, Illinois, Thursday, April 19, 2012. | Joseph P. Meier~Sun-Times Media

Farm Nature Discovery preschoolers look for wildlife near pond Children's Farm The Center Palos Park Illinois Thursday April 19

Farm and Nature Discovery preschoolers look for wildlife near a pond at the Children's Farm, The Center in Palos Park, Illinois, Thursday, April 19, 2012. | Joseph P. Meier~Sun-Times Media

Brian McBride 5 OrlPark his fellow Farm Nature Discovery preschoolers look for wildlife field Children's Farm The Center Palos Park

Brian McBride, 5, of Orland Park, and his fellow Farm and Nature Discovery preschoolers look for wildlife in a field at the Children's Farm, The Center in Palos Park, Illinois, Thursday, April 19, 2012. | Joseph P. Meier~Sun-Times Media

Farm Nature Discovery preschoolers Grace Torgers4 OrlPark LucianPortugues-Paull 4 Palos Park walk through field looking for wildlife Children's Farm The

Farm and Nature Discovery preschoolers Grace Torgerson, 4, of Orland Park, and Luciana Portugues-Paull, 4, of Palos Park, walk through a field looking for wildlife at the Children's Farm, The Center in Palos Park, Illinois, Thursday, April 19, 2012. | Joseph P. Meier~Sun-Times Media

KristHale director Farm Nature Discovery preschool asks LucianPortugues-Paull 4 Palos Park whpine needles smell like Children's Farm The Center Palos

Kristin Hale, director of the Farm and Nature Discovery preschool, asks Luciana Portugues-Paull, 4, of Palos Park, what the pine needles smell like at the Children's Farm, The Center in Palos Park, Illinois, Thursday, April 19, 2012. | Joseph P. Meier~Sun-Times Media

Farm Nature Discovery preschooler MarKubis 5 OrlPark counts dandelions Children's Farm The Center Palos Park Illinois Thursday April 19 2012.

Farm and Nature Discovery preschooler Mara Kubis, 5, of Orland Park, counts dandelions at the Children's Farm, The Center in Palos Park, Illinois, Thursday, April 19, 2012. | Joseph P. Meier~Sun-Times Media

Farm Nature Discovery preschooler JuliSeqvich 5 OrlPark chases butterflies Children's Farm The Center Palos Park Illinois Thursday April 19 2012.

Farm and Nature Discovery preschooler Julia Seqvich, 5, of Orland Park, chases butterflies at the Children's Farm, The Center in Palos Park, Illinois, Thursday, April 19, 2012. | Joseph P. Meier~Sun-Times Media

Oliver Levy 4 Palos Park looks leaf through magnifying glass during preschool Children's Farm The Center Palos Park Illinois Thursday

Oliver Levy, 4, of Palos Park, looks at a leaf through a magnifying glass during preschool at the Children's Farm, The Center in Palos Park, Illinois, Thursday, April 19, 2012. | Joseph P. Meier~Sun-Times Media

KristHale director Farm Nature Discovery preschool looks up clouds with LucianPortugues-Paull 4 Palos Park Children's Farm The Center Palos Park

Kristin Hale, director of the Farm and Nature Discovery preschool, looks up at the clouds with Luciana Portugues-Paull, 4, of Palos Park, at the Children's Farm, The Center in Palos Park, Illinois, Thursday, April 19, 2012. | Joseph P. Meier~Sun-Times Media

Farm Nature Discovery preschooler VictoriKrol 4 Palos Park lines up sticks pine needles Children's Farm The Center Palos Park Illinois

Farm and Nature Discovery preschooler Victoria Krol, 4, of Palos Park lines up sticks and pine needles at the Children's Farm, The Center in Palos Park, Illinois, Thursday, April 19, 2012. | Joseph P. Meier~Sun-Times Media

Oliver Levy 4 Palos Park blows seeds off dandeliduring preschool Children's Farm The Center Palos Park Illinois Thursday April 19

Oliver Levy, 4, of Palos Park, blows the seeds off a dandelion during preschool at the Children's Farm, The Center in Palos Park, Illinois, Thursday, April 19, 2012. | Joseph P. Meier~Sun-Times Media

Julia Segvich loves to catch butterflies. “I like the birds and the sun, too,” the 5-year-old Orland Park girl said. Her favorite thing about attending Farm & Nature Discovery Preschool at the Children’s Farm in Palos Park, however, is the lamb. “It’s so cute, but …