Kis fiú lány ang fehér szőrű használ Mikroszkóp kémiai laboratóriumban - Stock fotó és kép

Little boy and girl in white coats using microscopes and reagents in chemical laboratory

Little girl using microscope and boy making notes in chemical laboratory

Kids in white coats using microscope and calculator in chemical laboratory

Little boy and girl in white coats using microscopes and reagents in chemical laboratory

Little boy and girl in white coats using microscopes and reagents in chemical laboratory

Little boy and girl in white coats using microscope and smiling at camera in lab

Little boy and girl in white coats using microscope in chemical laboratory

Schoolboy looking through microscope and his classmates at chemistry lesson

Little boy in chemical laboratory choosing reagents in test tubes

Little boy in white coat using microscope in chemical laboratory

Little boy in chemical laboratory choosing reagents in test tubes

Surprised little boy in white coat holding test tube with reagent in chemical lab

Little boy in lab coat holding flask with reagent in chemical laboratory

Cute little boy in lab coat holding flasks with reagents and smiling at camera

Smiling little boy in eyeglasses making experiment in chemical lab

Smiling little boy in eyeglasses holding flasks with reagents while making experiment in lab

Portrait of father helping concentrated son doing homework