3COINS is a variety store, providing products we can buy at low price.Their products are mainly 300 yen.
https://www.palcloset.jp/3coins
This URL is their site in which you can see their items.I think all of them are cute design.I sometimes hear the news that an item many people are interested in would sold out soon after lined up at a shop.
Especially,I like items children can play with.Those are very fancy design , so very cute and not expensive.I can understand why their products gain popularity.

You can see more information of the slide in the phote in this URL.
I like this slide.

Cool car.
https://www.palcloset.jp/display/item/2511-OCIE01-000/?b=3coins
If you have a chance to visite Shinjuku,Tokyo, it may be a good plan to go to see 3COINS.