Feature the black bear and its adaptations for survival in the forest. Crawl into the bear's den, compare your senses to that of the black bear, feel his fur, come face to face with a black bear mount and more.

Take a late winter nature hike on trails through Thatcher Woods Forest Preserve. Dress for the weather. Registration required.

Watch as LEGO trains race through cities and towns, as well as scenes from popular movies in a custom-made display produced by the Northern Illinois LEGO Train Club. On Saturday, the DuPage Society of Model Engineers will be operating the HO model layout located on the lower level.