1. You can easily make rice balls of the same size as long as you shake them with rice. Use it for balls for school lunch every day and this is a much more efficient
2. No rice sticking to your fingers, and it's easy to clean. It was definitely worth the money
3.Food grade pp, easily for washing
4. This kit is for making rice balls. You just put rice into 3 compartments, not too much, and close the cover and shake. It is so fun and you will be amazed by the cute little rice balls in front of you!