Dennis Speigel is dashing about his office space in Walnut Hills, barely able to contain himself. The ebullient president of International Theme Park Services Inc. busily bounces from one room to another, showing off an invention here, a marketing plan there, a schematic downstairs, a gigantic artist's rendering upstairs. His pace is nearly frantic.

"It's going to be a very entertaining, exciting kind of tourist attraction, the first one of its kind in the Northern Hemisphere," boasts Speigel as he climbs a staircase in his very un-corporate corporate headquarters, where a giant, inflatable dinosaur shares space with toys, a working popcorn machine and arcade games.

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