Hiroi Michiaki: And this is, “nesting,” I think? It’s nesting.
Paula Curtis: It’s the same as this one here.
Hiroi Michiaki: Ahh yeah yeah yeah yeah. This is an egg. Red and white eggs? Ahh, yes, yes, that’s it. And it’s an ijiwaru [unkind]* one.
*[Editor’s note: This is a type of top known as an “unkind” top, because it is especially difficult to spin.]
For Japanese, see this page.
For video, see this page.