Simona Albiani helps her son Davide get into his bee keeper suit as Ravinia School 1st graders visit the Heller Nature Center's bees. | Joel Lerner~Sun-Times Media

Ravinia School 1st grade teacher Andrea Dunning leads her class to visit the Heller Nature Center's bees. | Joel Lerner~Sun-Times Media

Heller Nature Center naturalist Leah Holloway removes a honeycomb from one of the hives in the center's apiary as Ravinia School 1st graders visit the bees. | Joel Lerner~Sun-Times Media

Some bees return to the hive at the Heller Nature Center'. | Joel Lerner~Sun-Times Media

Heller Nature Center naturalist Leah Holloway returns some bees to a hive in the center's apiary to Ravinia School 1st graders. | Joel Lerner~Sun-Times Media

The smoker simmers in case Heller Nature Center's beekeeper, Leah Holloway needs it.. | Joel Lerner~Sun-Times Media

Highland Park 10/4/11 Some bees return to the hive at the Heller Nature Center. | Joel Lerner~Sun-Times Media

Ravinia School 1st grader Matthew Compher struggles with his bee keeper suit during his visit to the Heller Nature Center's bees. | Joel Lerner~Sun-Times Media

Ravinia School 1st grader Matthew Compher struggles with his bee keeper suit during his visit to the Heller Nature Center's bees. | Joel Lerner~Sun-Times Media

Heller Nature Center' naturalist Leah Holloway helps mom Amy Swedlow with her beekeeper suit. | Joel Lerner~Sun-Times Media

Ravinia School 1st grader Jonathan Meese gets to hold the honeycomb during a visit to the Heller Nature Center's bees. | Joel Lerner~Sun-Times Media

Ravinia School 1st graders Ryann Goldsmith (right) and Dylan Rapp are all smiles as they wait to visit the Heller Nature Center's bees. | Joel Lerner~Sun-Times Media

Ravinia School 1st grader Richard Gale gets to hold the honeycomb during a visit to the Heller Nature Center's bees. | Joel Lerner~Sun-Times Media

Heller Nature Center naturalist Leah Holloway shows a honeycomb to Ravinia 1st graders Rebecca Shaw, Sebastian Lara, Jonathan Messe, and Mrs. Stephanie Gehrigin at the center's apiary. | Joel Lerner~Sun-Times Media