There are many different activities here. There's no entrance fee. You buy credits which are on a specific card that you use on each ride. There's also a large arcade (video games etc.) and a roller skating rink. There is a separate charge for the roller skating and skate rental.
No admission. Pricing is per activity.
Its free to get in and then you buy a pass to play the games
Its fee to get in
Free entry and free parking. Reasonable charges for everything else.
free to get in but you pay for activities
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