Χαριτωμένο μικρό αγόρι που ακουμπά στο τραπέζι και να χαμογελά στη φωτογραφική μηχανή σε χημικό εργαστήριο - Φωτογραφίες & Εικόνες Αρχείου

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

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

Clever little boy in goggles looking at blue liquid in flask and thinking while conducting experiment during chemistry lesson in school

Little boy in protective glasses making experiment in chemical laboratory

Boy and girl in lab coats looking at camera in chemical laboratory

Excited little boy in lab coat making experiment in chemical laboratory

Bewildered little scientist scratching head and looking at green liquid in flask while conducting chemical experiment during lesson in lab

Smiling little boy in eyeglasses making experiment in chemical lab

Concentrated little girl in lab coat making experiment in chemical laboratory

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

Excited little girl in lab coat making experiment in chemical laboratory

Little girl in white coat standing at the table with chemical samples in 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 chemical laboratory choosing reagents in test tubes

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