Χαμογελαστό αγοράκι σε λευκό παλτό κρατώντας το δοκιμαστικό σωλήνα με αντιδραστήριο σε χημικό εργαστήριο - Φωτογραφίες & Εικόνες Αρχείου

Little boy in chemical laboratory choosing reagents in test tubes

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

Smiling girl scientist working with microscope in laboratory

Schoolgirl looking through microscope in science class

Schoolgirl in white coat making experiment with reagents in science laboratory

Be here. Appealing cheerful nice girl taking vial while staring at it and grinning at lab

Two little kids in lab coat learning chemistry in school laboratory. Studying ingredients for experiments . Young scientists in protective glasses making Looking through the microscope.

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

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

Cute little boy in lab coat holding test tube with reagent and smiling at camera

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

Cute little boy in lab coat near flasks and test tubes smiling at camera

Excited little boy in lab coat making experiment in chemical laboratory

Excited little girl looking at test tube with reagent in chemical lab