Sorry but I forgot to include museums in Ohio and Wisconsin in my first
posting!

Ohio
Children's Museum, Cincinnati  (513) 421-6136
Cleveland Children's Museum (216) 791-7114
COSI, Columbus (614) 228-2674

Wisconsin
Above and Beyond, Kohler (414) 458-0195
Betty Brinn Children's Museum, Milwaukee (414) 291-0888
Fox Cities Children's Museum, Appleton (414) 734-3226
Madison Children's Museum (608) 256-6445
Great Explorations, Green Bay (414) 496-9932