Fókusz húzza a fiú Mikroszkóp laboratóriumi segítségével - Stock felvétel és videó

Cropped view of kids mixing liquids

Schoolboy looking at flask with red liquid, writing reaction data in copy-book

Serious teen girl doing homework. 11-13 years old girl. Girl sitting at a desk and writing something. Schoolgirl. Pupil. Stand on the desk with test tubes. Girl doing chemistry experiment

Focus pull of child looking through microscope

Serious teen girl doing homework. 11-13 years old girl. Girl sitting at a desk and writing something. Schoolgirl. Pupil. Stand on the desk with test tubes. Girl doing chemistry experiment

Cropped view of kids mixing liquids

Focus pull of child looking through microscope

Selective focus of boy looking through microscope

Rack focus of kid putting test tubes on table

Rack focus of cute boy in laboratory

Rack focus of happy kids in laboratory