El mejor trabajador. Enfoque selectivo de viales llenos de líquido mientras los niños les estiran la mano - Foto e imagen de stock

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

Vial with blue liquid. Selective focus of girls hand who touching vials filled with liquids which standing in stand

School boy wearing protection glasses doing chemistry experiment in elementary science class and mix components. Clever pupil in lab during test

Cheerful boy with goggles smiling near blurred test tubes and microscope

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

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

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

A lot of samples. Cute pleasant pleased girl carrying stand with vials while gazing at camera and posing on the blurred background

Work with microscope. Little smart beautiful girl smiling while working with microscope and dressing in lab coat

Funny science. Cute jolly gay girl working with liquid while posing at lab and grinning

Study project. Attractive good looking nice girl elevating vial filled with reagent and posing in profile

Scientific development. Handsome positive cheerful man smiling and looking at the test tube while working in the lab

Blue reagent. Selective focus of glass small transparent vials putting in stand which placing on surface when girl posing on background

Blue liquid. Joyful sweet blond girl taking vial from stand while grinning and standing near microscope

Little experiment. Merry happy enthusiastic girl smiling while wearing lab coat and posing on the blurred background