yusuke ota, nhk world, jakarta. . yusuke ota, nhk world, jakarta. . yusuke ota, nhk world, jakarta. . yusuke ota, nhk world, jakarta. >>> in the global night against hiv/aids, perhaps the most high profile epidemic is in south africa. there are millions of people living with hiv and a jen aratiar -- generation of children who lost their parents to the squee s ts. nhk world has more. >> reporter: a sporting event with a difference. at the go go olympics, all the participants are mothers. the name comes from the word for grandma in the local language. this is what they call the grannies olympics have been held. 600 of them are participating. the grandmothers are divided into teams that compete against each other in various events. but with all the singing and dancing, it actually feels more like a party. >> i'm happy with the others, be happy. let's play like children. we're very happy, very excited. >> reporter: the event is organized by a local ngo that supports grandmothers who are bringing up their grandchildren. this is not unusual in south africa

nhk world's yusuke ota has the details. >> reporter: thanks to the economic growth, you can see a lot of cars in jakarta. but on the other hand, you can still see a lot of street children. about 34,000 children are said to be on the street in indonesia. these young people were once among them, but now they've seized on opportunity for a better future from trash. the nonprofit organization helps them make new products from the things people throw away. the ngo set up a workshop four years ago. interested childldren can recei an 18-month training course on how to fashion material goods from glass bottles and other materials. they hope the training will provide them with the skills to stand on their own. their products are on display at the hotel lobby and other places. these are egg holders made from wine bottles. the necks of the bottles have been turned into wine glasses. this vase was made from a fishing lamp. >> i think it's really good that we do recycling because of the global problems. it's particularly nice that children are doing it. >> it's very nicely done. >> reporter: the p

yusuke ota, nhk world, jakarta. >>> toys these days tend to be loud and electronic as manufacturers focus on video games and virtual reality. but there's a quiet revolution happening in japan with a new kind of entertainment that appeals to a side o of children >> reporter: at this year's tokyo toy show, it ranged from a tiny submarine with camera to armor. about 35,000 products were on display from 160 companies from around the world. they included high-tech options but many of the newest toys were designed to unleash the user's inner artists. this may look like an ordinary pen, but when the ink is exposed to light, it gets hard. young artists can create three dimensional versions. >> translator: it was easy. >> reporter: many of these new creative toys are geared towards yoyounger children. like this sewing machine that doesn't reqequire thread. it uses a piece of felt to bind together. children here are making pictures out of beads that stick together when wet. this toy has become popular thanks in part to the internet. >> translator: people want to show off their creations online. chi