Ninja cafe in Japan. No, I'm not kidding. http://kotaku.com/tokyos-most-unusual-restaurants-offer-more-than-food-1147350054
The Not-So-Small World
Cute, Weird and Best Places to Eat in Tokyo.
7 Wonderfully Weird Things to Do in Tokyo
Shinjuku Alley | Flickr
Apartment block by New York-based Japanese artist Shusaku Arakawa. Not specifically designed children but how many kids wouldn't love this place?!
Kid's Spaces Around the World
Sleeping capsules, tokyo http://www.actuweek.com/go/hotel/hotelscombined.php
Hôtels du monde
There is no shortage of weird bars in Tokyo, catering for everything from doing karaoke in a hot tub to drinking cocktails while handcuffed in a cell, says Richard Smart
Cool, weird, stuff to do in Japan
Mister Donut is located everywhere so when you see one, make a stop into the shop and get yourself a Mochi donut.
5 Weird but Cool Things to do in Tokyo