It is about $40.00
$39 for adults, $29 for kids older than 3 and less than 12, I believe.
40-45$ i can't remember exactly
$40, but you get a discount if you are from Chicago or if you do a City Pass which includes other attractions as well
Discount if you're a "Chicago Resident." Must have ID for one Resident if multiple live together, but it applies at least as far out as Joliet.
39.95 dollars
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