Roztomilý chlapeček v plášti držící zkumavku s činidla a usmívá se na kameru - Stock fotografie a obrázky

Cute little boy leaning at table and smiling at camera in chemical lab

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

Little boy in protective glasses making experiment in chemical laboratory

Concentrated boy and girl holding test tubes with reagents in chemical lab

Crazy little scientist in glasses smiling and looking at camera while sitting at table amidst colorful liquids during lesson in chemistry laboratory

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

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

Adorable little boy watching reaction of reagent, close-up

Excited little girl in lab coat making experiment in chemical laboratory

Smiling little boy in eyeglasses making experiment in chemical lab

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

Concentrated 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

Little boy in chemical laboratory choosing reagents in test tubes

Little girl using microscope and boy making notes in chemical laboratory

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