Urgent! Which generation did the electronic chicken (Hong Kong transliterated its mother Gezhi, mainland transliterated Tuoma Grid) come from?

Yes, the latest is the seventh generation, and the market doesn't seem to have it yet

Hong Kong's "R Us" is only the sixth generation music, with a black-and-white screen, which is about 149 USD. . .

These are very expensive.

Besides, nothing on the Internet is credible. .

V3 138

V5 236

V7 436 (inaccurate price)