Thread: The Animal Odd Couples и другие разные животные

Originally Posted by Throbert McGee

Древесный лягушонок (вместе с Лего-минифигуркой "для масштаба").

After Googling, I think maybe "к сравнению масштабов" ("for comparison of scales") might sound better? But in English, you can just say "the Lego figure is included for scale."