Fiolka z niebieskim płynem. Selektywne skupienie dziewcząt rąk, które dotykają fiolki wypełnione płynami, które stoją w stojaku - Zdjęcie stockowe & obraz

This vial. Energetic adorable sweet girl taking vial in stand while staring at it and wearing lab coat

Appropriate reagent. Cheerful jolly pleasant boy taking vial while grinning and wearing lab coat

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

Preteen girl in eyeglasses and white coat looking at test tube in chemical laboratory

Best worker. Selective focus of vials filled with liquid while boys hand stretching to them

Education, science and children concept - girl studying chemistry at school laboratory and writing to workbook

Schoolgirl looking through microscope in science class

Girl scientist in lab coat writing in clipboard and smiling at camera

Amazed girl in white coat and goggles looking at blurred test tube in lab

Little helper. Glad vigorous appealing boy holding stand with vials while gazing at camera and wearing lab coat

My test. Pretty happy positive boy using microscope while working in profile and smiling

Take a look. Nice smart little boy touching microscope while looking in it and smiling

Best work. Enthusiastic merry glad boy tuning microscope while looking at camera and wearing lab coat

Future laboratorian. Low angle of cute attractive sweet boy using microscope while staring through it and grinning

Lets mix them. Appealing nice jolly boy rising bulbs while laughing and staring at camera

Modern scientific research. Nice professional smart biologist standing together and looking at each other while working in the lab