Self employed model actress -- -- But now turns out that in an unexpectedly literal way sin city is an adult playground. And here's Neal Karlinsky for tonight's sign of the times. As childhood --... See More
Self employed model actress -- -- But now turns out that in an unexpectedly literal way sin city is an adult playground. And here's Neal Karlinsky for tonight's sign of the times. As childhood -- Please go they don't get much more down and dirty -- that. I'm behind the controls about 150000. Dollar excavated earth you know the kind you passed all the time a construction site. The -- you may have had a forty version of the play around the sandbox when you're a little. This means no Tonka toy but it is what they call an adult size stand up. I can remember -- -- toys little place that their whole -- right guard rich heavy his chief engineer at a major aerospace company he's in charge you 500 -- -- -- job you know. -- alcohol level yeah. Full disclosure I am a child. But it turns out lots of other grownups are too which is why New Zealand transplant -- moment created this -- -- -- -- vacant lot in Las Vegas. So what's it cost to set up adult -- sandbox like this -- that -- remained -- -- invasive and the last forty years on this we get a lot of bucket list -- the campaign and I just wanted to try and. Utilities -- cheap thrill classes go from about 200 dollars to over 700. Depending on how many hours he -- Which may explain why this is probably the only place you'll see a woman in brought -- flats running heavy machinery. This guy is on his honeymoon from Saudi Arabia does -- -- And everything. But saying never have more. We started off doing what any child would do. Digging a hole. The hardest job was picking up basketball's without popping. No that's -- -- you realize how little dexterity happened. Focus on want to forget about the other. -- -- an interesting observation and battle of the sexes. I feel a little bit more tapes but I really -- gated golf right typically what they're actually there -- in this. Just remember what happens in the adult sandbox stays in the adult. And Neal Karlinsky for Nightline. In Las Vegas.
This transcript has been automatically generated and may not be 100% accurate.